The Associated Press
This 1965 file photo shows Cesar Chavez, farm worker labor organizer and leader of the California grape strike, in an office in California works from an office in 1965. On Labor Day weekend of 2015, hundreds of former and current labor activists, both Filipino and Mexican American, flowed into the Central Valley town of Delano where 50 years ago, they launched the Delano grape strike that altered the course of American history. On Sunday, Sept. 6, 2015, the efforts of the largely Filipino and Mexican workers were commemorated with a Mass, bus tours of historically relevant sites, films and a discussion panel. (AP Photo, George Brich, File) 
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Cesar Chavez Day is being observed in Denver on Monday. The annual holiday which takes place on March 31 — Chavez’s birthday — celebrates the legacy of the civil rights and labor movement activist.
Chavez was an American farm worker, labor leader and civil-rights activist born in 1927.
Parking meters are free in the Mile High City Monday, and most city services are closed.
President Barack Obama proclaimed the holiday in 2014.
