1770Infrastructure
In 1770, an expedition headed by Gaspar de Portolá crossed the area while returning to Mexico from Northern California.
1776Culture
In 1776, a northbound party of explorers led by Juan Bautista de Anza camped there on its way from Mexico.
1792Culture
The Spanish botanist Jose Longinos Martinez recorded Las Calabazas as a place name in 1792.
1795History
Calabasas was the name given to a ranchería in the Los Angeles area in 1795.
1844Architecture
The Leonis Adobe, in Old Town Calabasas, dates back to 1844 and is one of the oldest existing buildings in greater Los Angeles.
1951History
Films shot there include Showboat (1951), High Noon (1952), Calamity Jane (1953), Stalag 17 (1953), and Carousel (1956).
1952Culture
From 1952 to 1977, they operated the Theological Seminary of Claretville and the Immaculate Heart Claretian Novitiate on the former Gillette Estate, which they renamed Claretville.
1971Education
Thomas Aquinas College rented the Claretville campus from the Claretians from 1971 to 1978.
1977Government
The Hindu Temple Society of Southern California was incorporated in the State of California as a nonprofit religious organization on August 18, 1977.
1978Education
When the Claretians sold their Claretville property in 1978 to Clare Prophet and her Church Universal and Triumphant, Thomas Aquinas College began construction on a permanent ca...
1991Government
The city was incorporated on April 5, 1991, making it the newest city in Los Angeles County.
2000History
== Demographics ==
Calabasas first appeared as a city in the 2000 U.S.
2004History
In January 2004, Alice C.
2005Military
=== Environmental stewardship ===
In 2005, Calabasas voters overwhelmingly passed Measure D.
2006Civil Rights
The law went into effect on March 16, 2006, garnering much local and national media attention.
2007History
In 2007, the Calabasas City Council adopted Ordinance 2007–233, banning retail food establishments, nonprofit food providers, and city facilities from using food-packaging mater...
2008Civil Rights
The ordinance requires food-service establishments in Calabasas to use environmentally acceptable packaging starting March 31, 2008, and to report ongoing compliance with this o...
2011Government
Mont Calabasas, a community on Las Virgenes Road, was annexed into the city of Calabasas in 2011.
2015Government
By 2015, several annexations had increased the city's total land area to 13.6 square miles (35 km2).
2018Disaster
In 2018, the park was damaged during the Woolsey Fire, with playground equipment, landscaping, and irrigation needing repair.
2020Architecture
The park was renovated by the city, with reconstruction being completed in 2020.
2022History
Situated between the foothills of the Santa Monica and Santa Susana mountains, 29.9 miles (48.1 km) northwest of downtown Los Angeles, Calabasas has a population of 22,491 (as o...
2023History
In 2023, the US Census Bureau estimated that the median household income was $157,938, and the per capita income was $98,120.