Hacienda Heights Historic Timeline

Updated: 02/26/2019

Jump to Year: 1800 | 1850 | 1900 | 1950 | 2000

YEAR MONTH DAY TO DATE EVENT
1492       Columbus Sailed the Ocean Blue.
1519 FEB     Spanish conquest of the Aztec Empire
1539       Francisco de Ulloa sails to the head of the Gulf of California and around Baja California to Cedros Island, establishing that Baja is a peninsula.
1542     1769 European exploration period from 1542 to 1769.
1542       Juan Rodriguez Cabrillo explores the coasts of modern Baja and California.
1620       Pilgrims Arrived.
1680       Massive uprising (Popé's Rebellion) of the Pueblo Indians against their Spanish overlords in prenant day New Mexico.
1768       Awigna (also, Awiz-na) is a former Tongva-Gabrieleño Native American settlement in Los Angeles County, California.
It was located at the site of modern-day La Puente(La Puente High School), in the San Gabriel Valley.
1769 JUL 16   First Spanish Mission Founded in Alta California- San Diego de Alcala- July 16,1769 by Junipero Serra Ofm- first of 21 Spanish Missions built.
1769       La Puente meaning the bridge: Bridge built over the San Jose Creek by members of the Portola-Serra expedition.
1769     1821 The Spanish colonial period, Spanish Era, Spanish Rule 1769 to 1821.
1771 SEP 8   The San Gabriel Mission was founded September 8, 1771- named for the Archangel Gabriel 4th of a chain to 21 missions.
1773 DEC 16   Boston Tea Party.
1776 JUL 4   United States Independence from British rule July 4th, 1776.
1776       San Gabriel Mission was moved: In 1776, a flash flood destroyed much of the crops and ruined the Mission complex, which was subsequently relocated five miles closer to the mountains in present-day San Gabriel (the native settlement of 'Iisanchanga).
1781 SEP 4   Los Angeles was formed September 4th, 1781 (The City of our Lady Queen of the Angels).
1787       Constitution Signed.
1791       Birth of John A. Rowland Apr 15.
1799     1876  William Workman born (1799–1876).
1800        
1800       William Workman was born is England 1800.
1801       Pio de Jesus Pico (1801-1894) was born at the Mission San Gabriel (then Alta California-under Mexican rule) to one of the earliest families in Los Angeles.
1810 SEP 16   September 16th was the start of the Mexican War of Independence from Spain rule.
1812 DEC 8   December 8, 1812 Wrightwood earthquake- a.k.a. "San Juan Capistrano earthquake" (6.9 at 7:00): The Mission San Gabriel Archangel's bell structure collapsed.
1815       In 1815 the Los Angeles River floods washed away the original Pueblo de Los Angeles.
1821       Mexico won independence from Spain in 1821 (Mexican era (1821–1846)).
1821       Mexico's independence from Spain Los Angeles becomes Mexico's.
1821       The Mexican period, 1821 to 1848.
1828 APR 3 1909 Elias Jackson "Lucky" Baldwin was born.
1830     1930 Workman and Temple Homestead Museum covers this date range.
1833       The Mexican secularization ("disestablishment") act of 1833 was passed.
1835       Los Angeles becomes capital of Mexican California.
1836       Juan Bautista Alvarado becomes Governor of Los Angeles (1836-1842).
1841 SEP 6   Rowland-Workman Party (European settlers) left New Mexico for Southern California.
1841 NOV 5   The community of La Puente began in 1841 when European settlers arrived by wagon train from Taos, New Mexico and obtained title to the large 48,790 acre Rancho La Puente.
1842 JAN 14   Rowland was granted preliminary Spanish land grant for 14,740 acres of the Rancho De La Puenta  (1842 by Governor Juan Bautista Alvarado to John Roland).
1842 FEB 8   48,790 acres  preliminary  grant(first grant) to Rowland by Governor Juan Bautista Alvarado.
1842 FEB 8   A Map was drawn up of Rancho De la Puenta 14,740
1842       End of Juan Bautista Alvarado's term (1836-1842) as Los Angeles Governor- 7 years
1842       Workman built the original adobe home.
1845 JUL 22   Located on part of the Rancho La Puente, a Mexican land grant of 49,790.55 acres, the area known today as Hacienda Heights was awarded to settlers William Workman and John Rowland in 1845.
1845       Pio Pico becomes Governor of Los Angeles (1845-1846)
1846 SEP     September: Siege of Los Angeles by U.S. forces.
1846     1848 Mexican War began. Mexican and American war was between (1846-1848);  Mexican era  (1821–1846)
1846       Pio Pico granted Luis Arenas and John A. Rowland 39,951 acres- Rancho Los Huecos (Santa Clara)
1847 JAN 10   January 10: Los Angeles taken by U.S. forces.
1848 JAN 24 1855 The California Gold Rush (1848–1855)
1848 FEB 2   Mexican War ended. Treaty (agreement) of Guadalupe Hidalgo (1848) "Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the Mexican Republic" had been ratified by both US and Mexico- formally on 4 July 1848- Rowland and Workman get to keep Rancho La Puente. 48,790.55 acres.
1850        
1850 FEB 18   The region (California State) was first divided into twenty-seven counties (Los Angeles County being on of them) on February 18, 1850
1850 APR 4   April 4: Los Angeles incorporated.
1850 SEP 9   California, admitted as the United States 31st state in 1850.
1850 SEP 9   Los Angeles becomes part of the new U.S. state of California.
1850       Population: 1,610 city; 3,530 county.
1851 MAR 3   Julian Workman La Puente Land grant approved.
1851       1851 - Los Angeles Star, city's first newspaper, begins publication
1851       Rowland's first wife died
1852 SEP 16   John A. Rowland marries Carlota Gray (both their 2nd marriages).
1854 APR 4   No. 385. The rancho of La Puente, with natural boundaries. in Los Angeles county, claimed by John Rowland.
1855       Rowland built first brick two story home for his second wife, Charlotte M. Gray- Still stands (a/o 2016).
1860       These (California Counties) were further sub-divided (27) to form sixteen additional  counties by 1860 (27+16)
1861 APR 12 1865 Civil war in the United States fought from 1861 to 1865.
1861 DEC 24   Beginning on December 24, 1861, it rained for 28 days in Los Angeles.
1861     1893 Another fourteen (California Counties) were counties formed though further sub-division from 1861 to 1893. (27+16+14).
1862 FEB     In February 1862, the Los Angeles, San Gabriel, and Santa Ana Rivers merged.
1862       Great flood in La Puente- change San Gabriel path a bit.
1865       End of United States Civil War.
1865       In the mid 1860's people began coming to the Los Nietos Valley. Los Nietos Township was soon as heavily populated as the Los Angeles Pueblo or the San Gabriel Mission area. The San Gabriel River flowed all year, and agriculture flourished.
1867 APR 19   Rowland and Workman spent 15 (19 years since the Guadalupe Hidalgo treaty) years fighting for the patent to Rancho La Puente, finally securing it in 1867.
1867 NOV   DEC Rowland and Workman survey land in prep for land division (November December 1867).
1867       1867-68, the San Gabriel River overflowed its banks.
1868 MAY     Division of Rancho La Puente between Workman and Rowland.
1870       Temple and Workman established their own bank.
1871       In 1871, the Lemon Creek Park area became the property of Sheriff William Rowland, who inherited the 29,000 acre ranch from his father, John Rowland. 
1871       William R. Roland became  sheriff in 1871- He was the county's first sheriff of Latino descent.
1872       The railroad came through the La Puente Valley, ending in Spadra.
1873 OCT 14   Before his death in 1873, John Rowland partitioned his half of the La Puente Rancho . . . some 29,000 acres and about $70,000 in personal property . . . to his heirs, giving to each about 3,000 acres and 1,000 head of cattle.
1873       1873 - Los Angeles Daily Herald newspaper begins publication.
1873       John Rowland died (approx 82 years old).
1874       Workman bank panic caused bank to be in jeopardy.
1876 JAN 13   Banking house of Temple and Workman  failed.
1876 MAY 17   William Workman committed suicide (age 76).
1876 SEP 6   September 6 - Southern Pacific Railroad (San Francisco-Los Angeles line)
1876       Elias Jackson "Lucky" Baldwin  foreclosed and took over William Workman's part of the La Puente Rancho in 1876.
1876       Final linking of the Southern Pacific Railway from the East with Los Angeles.
1876       Grant was patented to John Rowland and J. L. Hornsby in 1876.
1879       Victoria, Rowland's daughter of the second marriage, inherited The Rowland Home, and in 1879 married Capt. John W. Hudson.
1881       1881 - Los Angeles Daily Times begins publication.
1883       William R. Rowland Adobe Redwood Ranch House was built in present day Walnut.
1885       In 1885 Albert Rowland, son of John and Charlotte Rowland, sold a parcel of the land deeded him by his father to A. E. Pomeroy and George Stimson, real estate developers. This piece was about 20 acres.
1886 MAR 18   At the time the town site was plotted and the map recorded March 18, 1886, there were 37 parcels of land for sale. Three buildings were constructed at the time the township was laid out . . . the Rowland Hotel, the Stimson Building, and the first church.
1887       Hudson Elementary School District was formed 1887.
1888       Los Angeles Land boom collapses.
1892 FEB     February - Oil discovered within Los Angeles City limits.
1893 JUL 4   July 4 - Mount Lowe Railway opens north of Pasadena.
1894       Pio de Jesus Pico (1801-1894) died penniless (he was 93). was born at the Mission San Gabriel to one of the earliest families in Los Angeles.
1895 JUN 10   Charlotte Rowland died on June 10, 1895- she was 69 years of age- She is buried in Evergreen Cemetery.
1897 DEC     It was the duty of the agents to see that the farmers turned in 1/4 of their crops.
In 1897 Tom and Jack Hayes were the managers of this grocery store, saloon, gambling place and post office. One evening near Christmas, the store was held up by two bandits. Jack was alone. Holding an oil lamp he went to answer the door. The bandits shot and killed him. He dropped the lamp which started a fire that destroyed everything.
1897       Rowland Home was remodeled- Josiah W. Hudson, husband of Victoria Rowland Hudson. Slop of roof, bricks stuccoed and kitchen added were changes made.
1900        
1902       A second railroad . . . The San Pedro, Los Angeles, and Salt Lake . . . was brought through this valley (La Puente Valley) in 1902 through the efforts of Sheriff William R. Rowland.
1902       Covina incorporated.
1903       Los Angeles Examiner newspaper begins publication.
1903       The Golden Poppy  became the California state flower in 1903
1908       The first church was built on land donated by residents and the building was constructed by the real estate developers. It was used by both Catholics and Protestants until it was dedicated as a Catholic church in 1908 and named St. Joseph.
1909 MAR 1   Elias Jackson "Luchy" Baldwin died.
1912 JAN 6   New Mexico was admitted to the union as the 47th state on January 6, 1912.
1913       North Whittier Heights property (growers) doing well Orange, Lemon, Avocado- HEAVEY advertisement.
1914 JUN     NEW DISTRICT ORGANIZES IMPROVEMENT ASSOCIATION
Purchasers in North Whittier Heights citrus and walnut land subdivision held a meeting at the tract office of the property during the present week, at which time they organized the North Whittier Heights Improvement association. Committees on transportation, horticulture, schools and one to make preliminary plans for citrus, walnut and vegetable packing houses and a cannery were put to work in their respective fields.
1914       Extensive plan for growth. Connecting Whittier to Pomona Blvd (now Valley Blvd) Providing us 8 miles shorter trip to beaches, budded walnuts to be grown.
1914       Mrs. L. Belle Smith was president of the North Whittier Heights Woman's Club
1914     1918 World War I began.
1915       Mrs. 1. A. Smith was president of the North Whittier Heights Woman's Club
1915       The first "Service Project" performed by the NWH Woman's Club was to purchas a mailbag for Mr. Dodson to carry mail.
1916       Mrs. 1. A. Smith was president of the North Whittier Heights Woman's Club
1917       Mrs. T. H. Deaver was president of the North Whittier Heights Woman's Club
1918       Mrs. E. G. Hart was president of the North Whittier Heights Woman's Club
1918       World War I ended.
1919       Mrs. E. G. Hart was president of the North Whittier Heights Woman's Club
1920       Mrs. C. R Bras was president of the North Whittier Heights Woman's Club
1920       The latter's daughter inherited the property, and in 1920 married William Dibble of the Oakwell Rancho in Covina.
1921       Edwin G. Hart donated the land that the Woman's Club clubhouse sat.
1921       Mrs. F. J. Cox was president of the North Whittier Heights Woman's Club
1922     1927 La Casa Nueva (Temple residence) built by the Temple family between 1922 and 1927.
1922       Miss Anna Chandler was president of the North Whittier Heights Woman's Club
1923 MAR     In March of 1923, a fire started in the home of Dr. Newman in a court at the corner of Workman and Glendora. The smoke and flames could be seen for miles. Twelve hours later, the Patten-Davies Lumber Yard and twelve homes were in ashes. But once again, like the mythical phoenix bird, Puente 2 rose from the ashes fresh and strong to take its place in the community of cities in the San Gabriel Valley.
1923       Illustrated Daily News begins publication.
1923       Mrs. F. A. Sutton was president of the North Whittier Heights Woman's Club
1924       Mrs. G. T. Russell was president of the North Whittier Heights Woman's Club
1925       Mrs. W. E. Clevenger was president of the North Whittier Heights Woman's Club
1926       La Opinión Spanish-language newspaper begins publication.
1926       Land was purchased as a real estate development.
1926       Mrs. H. J. Ferguson was president of the North Whittier Heights Woman's Club
1927       Mrs. H. W. Butler was president of the North Whittier Heights Woman's Club
1928       Mrs. J. Q. Adams was president of the North Whittier Heights Woman's Club
1929 SEP 4   September 4, fall of stock prices began.
1929 OCT 29   October 29, Stock Market Crash- Black Tuesday.
1929       Mrs. E. H. DeMent was president of the North Whittier Heights Woman's Club
1929       The Great Depression started.
1930       Mrs. E. H. DeMent was president of the North Whittier Heights Woman's Club
1930     1935 Workman's Adobe home was used for military school classrooms from 1930 to 1935.
1931       Mrs. W. E. Clevenger was president of the North Whittier Heights Woman's Club
1932       1932 Summer Olympics held.
1932       Mrs. A. L. Rockwell was president of the North Whittier Heights Woman's Club
1933 MAR 10   Long Beach Earthquake 5:54 P.M. PST.
1933       Mrs. A. L. Rockwell was president of the North Whittier Heights Woman's Club
1934       Mrs. C. R Bras was president of the North Whittier Heights Woman's Club
1935       Mrs. C. R Bras was president of the North Whittier Heights Woman's Club
1936       Mrs. J. Zaveallos was president of the North Whittier Heights Woman's Club
1937       Mrs. J. Q. Adams was president of the North Whittier Heights Woman's Club
1938       Channelization of the Los Angeles River began in 1938, and by 1960, the project was completed to form a fifty-one mile engineered waterway. The 1938 flood raised the San Gabriel river to some 150,000 cu ft/s (4,200 m3/s). As a result of the flooding the U.S. Army Corps of Engineers began an ambitious effort to prevent flooding along the river in the lowlands. Much of the river downstream of Azusa was diked, channelized, lined with riprap or paved over with concrete. Drop structures were constructed to reduce flood flow rates and prevent catastrophic erosion of the riverbed. Check dams were constructed in mountain canyons and the river itself was impounded in several large artificial lakes.
1938       Mrs. J. Zaveallos (Loofburrow) was president of the North Whittier Heights Woman's Club
1939       Mrs. E. A. Buehler was president of the North Whittier Heights Woman's Club
1939     1945 World War II began.
1940       Mrs. E. A. Buehler was president of the North Whittier Heights Woman's Club
1940     1963 Workman Adobe home was used as a residence and then office and nurses' quarters for El Encanto sanitarium from 1940 to 1963.
1941       Mrs. Roland B. Somers was president of the North Whittier Heights Woman's Club
1942       Mrs. Earl Clevenger  was president of the North Whittier Heights Woman's Club
1943       Mrs. A. L. Rockwell was president of the North Whittier Heights Woman's Club
1944       Mrs. E. H. DeMent was president of the North Whittier Heights Woman's Club
1945       Mrs. W. E. Clevenger was president of the North Whittier Heights Woman's Club
1945       World War II ended.
1946       Mrs. 0. Howard Lucy was president of the North Whittier Heights Woman's Club
1947       Edwin Dow & other's founded the idea to reactivate North Whittier Hacienda Heights Improvement Association (see 1914)
1947       Mrs. 0. Howard Lucy was president of the North Whittier Heights Woman's Club
1948       Mrs. Emil Wickman was president of the North Whittier Heights Woman's Club
1948       North Whittier Heights Improvement Association was founded.
1948       Robert H. Craig was North Whittier Heights Improvement Association's first  president.
1949       Mrs. Emil Wickman was president of the North Whittier Heights Woman's Club
1949       Robert H. Craig was president of North Whittier Heights Improvement Association
1950        
1950       Heyden Jones was president of North Whittier Heights Improvement Association
1950       Mrs. Walter Scott was president of the North Whittier Heights Woman's Club
1950       Subdivisions started around Kwis Avenue.
1951       Harold Lutz was president of North Whittier Heights Improvement Association
1951       Mrs. W. J. Deonesius was president of the North Whittier Heights Woman's Club
1952       Hayden Jones was president of North Whittier Heights Improvement Association.
1952       Mrs. W. J. Deonesius was president of the North Whittier Heights Woman's Club
1953       Hayden Jones was president of North Whittier Heights Improvement Association.
1953       In the original “War of the Worlds” movie, made in 1953, the first battle between the Martian invaders and the US Army took place in North Whittier Heights.
1953       Mrs. Theo Calhoun was president of the North Whittier Heights Woman's Club
1954       George Burt was president of North Whittier Heights Improvement Association.
1954       Land transformed from hillsides of citrus, walnut and avocado trees to housing developments.
1954       Mrs. Wm. S. King was president of the North Whittier Heights Woman's Club
1954       Population: A few thousand.
1955       George Burt was president of North Whittier Heights Improvement Association.
1955       Mrs. Wm. S. King was president of the North Whittier Heights Woman's Club
1955       North Whittier Heights Improvement Association become incorporated.
1956 AUG 1   City of La Puente was incorporated August 1, 1956.
1956       Harold Lutz was president of North Whittier Heights Improvement Association, Inc.
1956       Mrs. Hoyt Mitchell was president of the North Whittier Heights Woman's Club
1957       City of Industry Became Incorporated.
1957       Louis T. Monson was president of theNorth Whittier Improvement Association Inc.
1957       Mrs. F. O. Shoemaker was president of the North Whittier Heights Woman's Club
1957       The Puente Hiils Landfill first opened in 1957
1958 MAY 8   Board of Supervisors meeting consummated purchase of Lot 15, of Kwis Tract (park formerly named Kwis Ave Neighborhood Park).
1958       Los Robles Park was developed.
1958       Mrs. Caryl Sheldon was president of the North Whittier Heights Woman's Club
1958       Verne Ivey was president of North Whittier Heights Improvement Association Inc.
1959 OCT 20   Official Board order changing the name of the park from Kwis Avenue Neighborhood Park to Manzanita Park by a recommendation from the Department of Parks and Recreation.
1959 OCT 20   The Board changed the name of this park to Stimson Avenue Park (from- Puente?) as a recommendation by the Department of Parks and Recreation.
1959       A preliminary master plan for land use had been drafted by the North Whittier Heights Improvement Association Inc. in 1959.
1959       Leonard Tandberg was president of North Whittier Heights Improvement Association Inc.
1959       Mrs. Caryl Sheldon was president of the North Whittier Heights Woman's Club
1960 OCT 9   First La Puente Valley Historical Society barbecue was held on the grounds of the Rowland Home.
1960 OCT     La Puente Valley Historical Society was founded.
1960       A preliminary Master Plan of land use was drafted by North Whittier Heights Association.
1960       Development of Hacienda Blvd.
1960       Hacienda Heights Branch of the Los Angeles County Public Library opened.
1960       Mrs. C. M. Cottrell was president of the North Whittier Heights Woman's Club
1960       Vincent Cassata was president of North Whittier Heights Improvement Association In.c. Records show Edwin Dow also as president that year.
1961       Community Name changed from North Whittier Heights to Hacienda Heights.
1961       Edwin Dow was president of Hacienda Heights Improvement Association.
1961       Mrs. C. M. Cottrell was president of the North Whittier Heights Woman's Club
1961       North Whittier Heights Improvement Association changed Name to Hacienda Heights Improvement Association.
1962       Bernard Gasiewicz was president of Hacienda Heights Improvement Association.
1962       Don Knobe's parents moved into Hacienda Heights.
1962       Los Angeles Herald-Examiner newspaper in publication.
1962       Mrs. Louis Monson was president of the North Whittier Heights Woman's Club
1962       The local community was renamed Hacienda Heights.
1962       Youth Science Center was founded.
1963       Edwin Dow was president of Hacienda Heights Improvement Association.
1963       Mrs. Louis Monson was president of the North Whittier Heights Woman's Club
1964 OCT 19   Dedication of Manzanita Park.
1964       By 1964, the Board of Supervisors, … adopted a master plan of land use for Hacienda Heights.
1964       Fruit packing house barracks for seasonal workers were sold and turned into the first school and first Methodist Church.
1964       Kenneth Todd was president of Hacienda Heights Improvement Association.
1964       Manzanita Park opened.
1964       Mrs. Francis Crist was president of the Hacienda Heights Woman's Club
1964       Population Estimate: Over 35,000.
1964       The 60 Freeway was extended past the 605.
1964       The Highlander newspaper started reporting local events.
1965       Mrs. William Weiss was president of the Hacienda Heights Woman's Club
1965       Sheldon Richman was president of Hacienda Heights Improvement Association.
1966 APR 1   La Puente Valley Historical Society was Incorporated.
1966       George Roberts was president of Hacienda Heights Improvement Association.
1966       Mrs. Eugene Cavitt was president of the Hacienda Heights Woman's Club
1967       Edwin Dow was president of Hacienda Heights Improvement Association.
1967       Mrs. Seibly Buffum was president of the Hacienda Heights Woman's Club
1968       Jack Lund was president of Hacienda Heights Improvement Association.
1968       Mrs. Carl W. McKown was president of the Hacienda Heights Woman's Club
1969 NOV 4   La Puente Valley Historical Society signed a 25-year lease (with option for 25 more years) on the Rowland Home and the Dibble Museum.
1969       Gerald (Jerry) Klose was Hacienda Heights Improvement Association President.
1969       Hacienda Heights Improvement Association funded Hacienda Heights entrance signs, “Hacienda Heights, Growing with Pride.”
1969       In 1969 the Jay Cees decided the community needed entry markers and a community slogan. The community markers at the two Hacienda Blvd. entrances to Hacienda Heights were built. They now proudly say, "HACIENDA HEIGHTS, GROWING WITH PRIDE."
1969       La Puente Valley Historical Society began participating in the Los Angeles County Fair
1969       Mrs. Emmet Smith was president of the Hacienda Heights Woman's Club
1969       The Sunset Juniors spent these hours bringing the Annual Parade into an exciting reality for the first time in 1969.
1970 JUL 1   The Hacienda-La Puente Unified School District became official July 1, 1970 in a union of the Hudson Elementary and the La Puente Union High School District.
1970 DEC 14   Dedication of Steinmetz Park.
1970       Gary Graham was president of Hacienda Heights Improvement Association.
1970       Hacienda Heights Growing With Pride- 1970 is published
1970       Hacienda Heights Population 35,969.
1970       Mrs. Emmet Smith was president of the Hacienda Heights Woman's Club
1970       Palm trees on Hacienda Boulevard were planted; Hacienda Heights Improvement Association still opposes the removal of these trees.
1971       Joseph Schifano was president of Hacienda Heights Improvement Association.
1971       Mrs. James Ritter was president of the Hacienda Heights Woman's Club
1972 OCT 30   Hacienda Heights Library Dedication and Open House- 10,757 Square Feet. 9:30 A.M.
1972       Mrs. Robert Flores was president of the Hacienda Heights Woman's Club
1972       Rudy Littrell was president of Hacienda Heights Improvement Association.
1972     1974 Sondra Jean Stratton was "Queen of Hacienda Heights"
1973 NOV 10   Hacienda Heights Improvement Associations 25th Silver Anniversary event was held at the California Country Club, Bud Welch was the Master of Ceremony.
1973       Mrs. Robert Flores was president of the Hacienda Heights Woman's Club
1973       Ruth A. Dryden is named Hacienda Heights Improvement Association’s first woman president.
1973       The Hacienda Heights Master Plan for Land Use was adopted and was in force for 37 years.
1974 NOV 20   The Workman Adobe was placed on the National Register of Historic Landmarks on November 20, 1974.
1974       Mrs. Tyros Willis was president of the Hacienda Heights Woman's Club
1975 OCT 1   On October 1, 1975, the State Landmark Committee placed the W.R. Rowland ranch house in the National Registry of Historical Places.
1975       Mrs. Tyros Willis was president of the Hacienda Heights Woman's Club
1975       Steinmetz Park: The (additional?) property for the park was donated by William Steinmetz in 1975. The Steinmetz family has a long history of involvement in the Hacienda Heights community.
1975       Temple La Casa Nueva was sold to the City of Industry in 1975.
1976 NOV 5   The Workman Adobe was added to the California State Register of Historic Landmarks, No. 874, in conjunction with "El Campo Santo" Cemetery, with the marker placed on the site on 5 November 1976.
1976       1976 - Los Angeles City Historical Society founded.
1976       Mrs. Albert Schweickart was president of the Hacienda Heights Woman's Club
1977       Mrs. Sam Pitassi was president of the Hacienda Heights Woman's Club
1977       Workman adobe restoration efforts: the entire east wall, which was mostly of adobe, collapsed during work in 1977.
1978       1978- Los Angeles County Board of Supervisors first adopted the Hacienda Heights Improvement Association Community Plan for Hacienda Heights.
1978       Cityhood effort, led by Tag Manning, was forfeited under a cloud of corruption.
1979       Hacienda Heights Improvement Association initiated the “Dump the Dump” group with Jim Stagner named as Chair.
1979       Hacienda Heights Improvement Association initiated the “Dump the Dump” group with Jim Stagner named as Chair.
1979       LA County Sanitation District announced expansion of Puente Hills Landfill.
1979       Mrs. Neil Henderson was president of the Hacienda Heights Woman's Club
1980 JUL 12   Otterbein officially opened Schabarum Regional Park- Peter F. Schabarum after the former Supervisor, former name Otterbein Regional State.
1980       1980- landslide.
1980       Countywood Park was developed.
1980       Hacienda Heights Improvement Association worked with AQMD on projects, including QEMETCO & emission standard violations from the dump.
1980       Hacienda Heights Population 49,422.
1980       HHIA organized meeting at Orange Grove School regarding a buffer of 200 feet of landfill from homes.
1980       Mrs. Neil Henderson was president of the Hacienda Heights Woman's Club
1980       Since 1980, Countrywood Park has been a quiet get-a-way for the community of Hacienda Heights. This passive neighborhood park is six acres and provides local residents a place to take their families for leisure activities such as Frisbee and reading.
1981       An Additional 151 acres were added to the landfill, for a total of 1,365 acres, the largest in the U.S. The Citizens Advisory Committee (CAC) was formed by LA County Sanitation District as part of the EIR process for the planned expansion of Puente Hills Dump.  HHIA representatives, Wil Baca, Bob Isaacson, Jeff Yann, Jim Stagner and Millie Hank were founders of the CAC.
1981       Mrs. Frank Rayworth was president of the Hacienda Heights Woman's Club
1982 NOV 12   Countrywood Park was dedicated.
1982       Community residents voted to remain unincorporated and not incorporate as a city.
1982       Mrs. Frank Rayworth was president of the Hacienda Heights Woman's Club
1982       The first reverse vending machine (aluminum cans into cash) in San Gabriel Valley at Alpha Beta on Hacienda & Colima, led to mandatory recycling, increasing in volume each year. Hacienda Heights began curb-side recycling, which became law in Sacramento led by Wil Baca, Jim Stagner & Supervisor Schabarum.
1983       Jeff Yann & Wil Baca met with LA County Sanitation District and LA County supervisor to place permanent restrictions of dump fill in two Hacienda Heights canyons and to fight for dump closure by 1993.
1983       More than 1,000 residents filled Los Altos gymnasium for a “Dump the Dump” hearing by LA County Sanitation District & Senator Bill Campbell about continuing expansion of Puente Hills Landfill.
1983       Mrs. Dwight C. James was president of the Hacienda Heights Woman's Club
1983       There were nine candidates running for the HHIA board, the four winners were: Wil Baca, Wil Briesemeister, Sandy Johnson & Jim Stagner.
1984       1984 Summer Olympics held.
1984       3,000 questionnaires, mailed to Hacienda Heights residents by Wil Baca, Membership Chair, resulted in the HHIA’s doubling the members to 1,000.
1984       Mrs. Dwight C. James was president of the Hacienda Heights Woman's Club
1985       A Town Meeting regarding “Water Pollution Disaster” was held at Los Altos High gymnasium on October 9, and drew over 1,000 residents.  President Jim Stagner formed a water quality committee.
1985       A Town Meeting was held at Newton Jr. High, on August 8, covering the topics of Waste-to-Energy at Puente Hills Dump and the proposed Cityhood procedure to gather signatures.
1985       Mrs. Robert Renier was president of the Hacienda Heights Woman's Club
1986 SEP 25   HHIA won a week-long court case against LA County Sanitation District to permit two mass-burn incinerators at Puente Hills Landfill.  Wil Baca, founder of Citizens Against Dumps in Residential Environments testified against the trash incinerators.  On September 25, ’86, California Energy Commission ordered Sanitation District to halt the installation of the two trash incinerators.
1986       His Lai Temple construction begins.
1986       Mrs. David Duran was president of the Hacienda Heights Woman's Club
1987 OCT 1   Rowland Home was declared structurally unsafe after Whittier Narrows earthquake.
1987 OCT 1   Whittier Narrows earthquake of 1987 - 7:42 a.m. PDT; 5.9 magnitude.
1987       “At Issue”, a Sunday half-hour television show, featured an episode on waste-to-energy plants and interviewed Wil Baca, HHIA Environmental Director.  Thousands of cubic yards of roadway demolition and oil waste on south end of 7th Ave. was reported to the press by Barbara Fish & Wil Baca. The District Attorney’s Toxic Strike Force had the debris removed and Health Department found contaminated ground water.
1987       Thomas S. Burton Park (then called Salto County Park) was developed.
1988 MAY     Barbara Fish, HHIA president started plans for the first Hacienda Heights 4th of July Parade, in May. The HHIA parade committee included: Nancy Abbott, Sara Barnes, Jean Baca, Louise Martin, Jeanne Thiessen, Carol Mauceri, Steve Feld, Bud Welch, Bill Lynch, Judy Willett, Jim Beaker. Kiwanis became the parade sponsor.
1988 JUL 4   1988- 1st  Hacienda Heights "I love America" Parade is held: Charman:TOM RATHMAN; Grand Marshal:JAMES BRUCE SILVERS; Miss 4th of July:N/A
1988 OCT 26   Dedication of Pepperbrook Park.
1988 NOV 26   Hsi Lai Temple opened.
1988       Hsi Lai Temple was in the process of construction.  Eight HH leaders: Norman Hsu, Wil Baca, Jean Baca, Louise Martin, Peggy Smyth, Alice Anderson, Candice Larsen & Cable cameraman were guests of the temple in Taiwan for tour of temples, schools, environmental exhibits and a TV studio.  Hsi Lai Temple’s inauguration ceremony was celebrated on November 26.
1988       Mrs. James Drew was president of the Hacienda Heights Woman's Club
1988       Sally Bianco led the replacement of wooden telephone poles with underground lighting on Hacienda Blvd.
1989 JUL 4   1989- 2nd Hacienda Heights "I love America" Parade is held: Charman:DOUG FRATT; Grand Marshal:YOGI BEAR; Miss 4th of July:N/A.
1989       Barbara Fish and Jeanie Thiessen testified to LA County about hill erosion.
1989       Curbside recycling began in Hacienda Heights.
1989       HHIA board members, Barbara Fish and Wil Baca were part of Task Force to find alternatives to landfills.
1989       HHIA produced a video featuring HH and its leaders, “Growing with Pride”.
1989       HHIA’s By-Laws were revised.
1989       Hsi Lai Temple held its first annual Neighborhood Party featuring workshops, information, entertainment, dinner and gifts. International Cultural Association was formed by Norman Hsu.
1989       Mrs. Neil Henderson was president of the Hacienda Heights Woman's Club
1990 JAN 2   Renamed Salto County Park as Thomas S. Burton Park.
1990 JAN 19   Renaming Ceremony of Thomas S. Burton Park (from Salto County Park).
1990 JUL 4   1990- 3rd Hacienda Heights "I love America" Parade is held: Charman:BUD WELCH; Grand Marshal:FIRE STATION 91; Miss 4th of July: N/A; Mary Ann King  became the voice of the parade on cable television
1990       Gang Awareness Seminar was held at Mesa Robles School.
1990       Hacienda Heights Population 52,354.
1990       HHIA joined other San Gabriel Valley cities to stop Medfly Malathion spraying.
1990       Mrs. Gull Lewis was president of the Hacienda Heights Woman's Club
1990       Visual impact of bulldozing of local hills for dump expansion shocked residents.
1991 JUL 4   1991-4th  Hacienda Heights "I love America" Parade is held: Charman:BUD WELCH; Grand Marshal:VETERANS OF GULF WAR; Miss 4th of July:N/A.
1991       Draft order was received by HHIA regarding the disposition of 14.00 tons monthly of untreated ash in Puente Hills Landfill.  $90,000 was raised for court fees against dump.  Resident’s signatures were collected by volunteers with Wil Baca, Jean Baca, Norman Hsu, gathering the majority needed to place the item on the June 1992 ballot.
1991       Mrs. Gull Lewis was president of the Hacienda Heights Woman's Club
1992 JUL 4   1992-5th  Hacienda Heights "I love America" Parade is held: Charman:BILL LYNCH; Grand Marshal:DR. JAMES JOHNSON SUPERINTENDENT HLPUSD; Miss 4th of July:N/A.
1992 AUG 29   Refurbishment and Reopening of the Hacienda Heights Library
1992 OCT 6   The name of Stimson Avenue Park was changed to William Steinmetz County Park on October 6, 1992.
1992       Community residents voted to remain unincorporated and not incorporate as a city.
1992       Mrs. Samuel Valero was president of the Hacienda Heights Woman's Club
1993 MAR 3   Park Renaming Ceremony: from Stimson Avenue Park to William Steinmetz County Park
1993 JUL 5   1993-6th  Hacienda Heights "I love America" Parade is held: Charman:JOHN ANDERSEN; Grand Marshal:CAPT. MICHAEL NAGAOKA INDUSTRY SHERIFF DEPT.; Miss 4th of July:N/A.
1993       Mrs. Samuel Valero was president of the Hacienda Heights Woman's Club
1994 JUL 4   1994-7th  Hacienda Heights "I love America" Parade is held: Charman:STEVE FELD; Grand Marshal:AYSO AND STRIKER (MASCOT); Miss 4th of July:N/A.
1994       Mrs. Caroline Van Valkenburgh was president of the Hacienda Heights Woman's Club
1994       The Puente Hills Landfill Native Habitat Preservation Authority (Habitat Authority) began.
1995 JUL 4   1995-8th  Hacienda Heights "I love America" Parade is held: Charman:KENNY KIM & STEVE FELD; Grand Marshal:GILBERT ADAMS (WILSON H.S. BAND DIRECTOR); Miss 4th of July:N/A.
1995       Mrs. Caroline Van Valkenburgh was president of the Hacienda Heights Woman's Club
1996 JUL 4   1996-9th  Hacienda Heights "I love America" Parade is held: Charman:KENNY KIM & GARY INGHAM; Grand Marshal:MONSIGNOR JAMES O CALLAGHAN; Miss 4th of July:N/A.
1996       Mrs. Richard Post was president of the Hacienda Heights Woman's Club
1997 JUL 4   1997-10th  Hacienda Heights "I love America" Parade is held: Charman:GARY INGHAM & HANNY ZAMORA; Grand Marshal:LOS ALTOS SOLAR CAR; Miss 4th of July:N/A.
1997       Mrs. Richard Post was president of the Hacienda Heights Woman's Club
1998 JUL 4   1998-11th  Hacienda Heights "I love America" Parade is held: Charman:BILL LYNCH; Grand Marshal:ESTEBAN TORRES (CONGRESSMAN); Miss 4th of July:N/A.
1998       Mrs. Derek Wood was president of the Hacienda Heights Woman's Club
1999 JUL 4   1999-12th  Hacienda Heights "I love America" Parade is held: Charman:KEN MANNING; Grand Marshal:JOHN KRAMER (SUPERINTENDANT); Miss 4th of July:JAN IE YOUNG (WILSON H.S.).
2000        
2000 JUL 4   2000-13th  Hacienda Heights "I love America" Parade is held: Charman:KEN MANNING; Grand Marshal:DON GUNDERSON (LOS ALTOS BAND DIRECTOR); Miss 4th of July:ALODIAH LUNAR (LA PUENTE H.S.).
2000       Hacienda Heights Population 53,122.
2000       Mrs. Derek Wood was president of the Hacienda Heights Woman's Club
2001 JUL 4   2001-14th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:PAUL CALIGIURI (PRO SOCCER-GALAXY); Miss 4th of July:BIANCA GUTIERREZ (LA PUENTE H.S.).
2001       Mrs. Robert Renier was president of the Hacienda Heights Woman's Club
2002 JUL 4   2002-15th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:911 EMERGENCY RESPONSE TEAM; Miss 4th of July:SONNA VALDEZ (WORKMAN H.S.).
2002       Mrs. Robert Renier was president of the Hacienda Heights Woman's Club
2003 MAR 5   Domain for Hacienda Heights Improvement Association hhia.net was purchased to establish Hacienda Heights Improvement Association website.
2003 JUL 4   2003-16th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:DON KNABE (LA COUNTY SUPERVISOR); Miss 4th of July:IRISH CORDERO (WORKMAN H.S.).
2003       Community residents voted to remain unincorporated and not incorporate as a city.
2003       Mrs. Derek Wood was president of the Hacienda Heights Woman's Club
2004 JUL 4   2004-17th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:MATT FONG (FORMER CALIFORNIA STATE TREASURER); Miss 4th of July:CHRISTINA CHO (WILSON H.S.).
2004       Mrs. Derek Wood was president of the Hacienda Heights Woman's Club
2005 JUL 4   2005-18th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:MIKE SOFFERELLI (RETIRED SHERRIFF DEPT); Miss 4th of July:SOPHIE ZANG (WILSON H.S.).
2005       Mrs. James Drew was president of the Hacienda Heights Woman's Club
2006 JUL 4   2006-19th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:KEN MANNING (FORMER BOARD OF EDUCATION)(PAST PARADE CHAIRMAN)(VOICE OF THE 4™ OF JULY PARADE); Miss 4th of July:KRISTY WALLACH (WILSON H.S.).
2006       Mrs. Lola K. Storing was president of the Hacienda Heights Woman's Club
2007 JUL 4   2007-20th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:BARBARA FISH/BILL LYNCH (PARADE FOUNDING COMMITTEE); Miss 4th of July:VICKI PROHOROFF (WILSON H.S.).
2007       Hacienda Heights Population 61,605.
2007       Mrs. Lola K. Storing was president of the Hacienda Heights Woman's Club
2008 JUL 4   2008-21st  Hacienda Heights "I love America" Parade is held: Charman:LON SALGREN; Grand Marshal:C.A. BUD WELCH; Miss 4th of July:JENNIFER PROHOROFF (WILSON H.S.)
2008       Mrs. Mary Ann King was president of the Hacienda Heights Woman's Club
2009 JUL 4   2009-22nd  Hacienda Heights "I love America" Parade is held: Charman:BRAD MANNING; Grand Marshal:DICKIE SIMMONS (DEPUTY TO SUPERVISOR DON KNABE); Miss 4th of July:LESLIE ALVARADO (LA PUENTE H.S.)
2009 JUL     Hacienda Heights Improvement Association changed website to a Wordpress.com framework.
2010 JUL 5   2010-23rd  Hacienda Heights "I love America" Parade is held: Charman:BRAD MANNING; Grand Marshal:CHARLES AND MARTHA HOUSE; Miss 4th of July:CIENNA ACIVEDO (LOS ALTOS H.S.)
2010       Hacienda Heights Population 54,038.
2010       Mrs. Bobbe Bland was president of the Hacienda Heights Woman's Club
2011 APR 16   St. John Vianney Catholic Church burned in arson fire.
2011 JUL 4   2011-24th  Hacienda Heights "I love America" Parade is held: Charman:BRAD MANNING; Grand Marshal:MARY ANN KING; Miss 4th of July:JESSICA LAREZ BRAULT (LOS ALTOS H.S.)
2011       Mrs. Lucille Householder was president of the Hacienda Heights Woman's Club
2012 JUL 4   2012-25th  Hacienda Heights "I love America" Parade is held: Charman:ELLIE LAREZ-BRAULT; Grand Marshal:GRACE F. NAPOLITANO (CONGRESS WOMAN); Miss 4th of July:ALEXIS ANDOM (LOS ALTOS H.S.)
2012       Mrs. Scarlet Liu Treu was president of the Hacienda Heights Woman's Club
2013 JUL 4   2013-26th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:DR. BARBRA NAKAOKA (SUPERINTENDENT HLPUSD, RETIRED); Miss 4th of July:KAITLYN CLARK (LOS ALTOS H.S.)
2013 JUL 19   Arsonist (Gregory Yusuke Shiga) sentenced 18 years and fined $8.9 million for starting St. John Vianney Catholic Church fire.
2013       Mrs. Scarlet Liu Treu was president of the Hacienda Heights Woman's Club
2014 MAY 28   Dedication of Orange Grove Park.
2014 JUL 4   2014-27th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:MIKE HUGHES; Miss 4th of July:TERESA WILSON (MORNING STAR CHRISTIAN ACADEMY)
2014 OCT 25   Haciedna Heights Park  opens to the public.
2014 OCT 25   Hacienda Heights Community Center - Grand Opening.
2014       Mrs. Scarlet Liu Treu was president of the Hacienda Heights Woman's Club
2015 JUL 4   2015-28th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:SCOTT DUNCAN; Miss 4th of July:NICOLE BELTRAN (SAINT JOSEPH HIGH SCHOOL)
2015       Mrs. Scarlet Liu Treu was president of the Hacienda Heights Woman's Club
2016 FEB 22   Hacienda Heights Library closes for renovation.
2016 JUN 16   Mary Ann King died (9/1933 - 6/2016).
2016 JUN 28   Mary Ann King Memorial Service is held.
2016 JUL 4   2016-29th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:DON KNABE (LA COUNTY SUPERVISOR); Miss 4th of July:MELANIE YU (GLEN WILSON HIGH SCHOOL)
2016 NOV 1   Our Jeff Yann an "environmental champion" died at the age of 73.
2016 NOV 17   The soft reopening of the Hacienda Heights Library is celebrated with Don Knobe; Amy Boteilho- Community Library Manager
2016 NOV 20   Memorial for Jeff Yann is held.
2016 DEC 5   Supervisor Janice Hahn County of Los Angeles - Fourth District assumes office perceded by Don Knabe
2016 DEC     Our new Sheriff- Deputy Jose Ruano, LA County Sheriff's Department.
2016       Mrs. Scarlet Liu Treu was president of the Hacienda Heights Woman's Club
2017 JUN 19   Official reopening of the Hacienda Heights Library with Supervisor Janice Hahn; Amy Boteilho- Community Library Manager
2017 JUL 4   2017-30th  Hacienda Heights "I love America" Parade is held: Charman:DAVE WALLACH; Grand Marshal:  DAVE WALLACH; Miss 4th of July:CAITLIN GREENUP (GLEN A WILSON H.S.)
2017       Mike Williams is President of Hacienda Heights Improvement Association, Inc.
2018 JUL 4   2018-31st  Hacienda Heights "I love America" Parade is held: Charman: DAVE WALLACH; Grand Marshal:  TIM MURAKAMI (LA COUNTY SHERIFF CAPTAIN); Miss 4th of July:ANGELINA SUSANTO (GLEN A WILSON H.S.)
2018       Mike Williams is President of Hacienda Heights Improvement Association, Inc.
2021 DEC     In December 2021, Hacienda Heights was moved from the Fourth district to the boundaries of the First District.