Photos: Cesar Chavez through the years

Updated 10:39 AM ET, Thu March 27, 2014
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Labor and civil rights activist Cesar Chavez addresses a rally in Denver in 1974. Chavez, who brought attention to the plight of farm workers, was born near Yuma, Arizona, in 1927. Denver Post/Getty Images
In 1962, Chavez founded the National Farm Workers Association, which grew into the United Farm Workers. Time Life/Getty Images
On behalf of his group, Chavez talks with grape pickers during a national boycott of California grapes in 1965. Time Life/Getty Images
U.S. Sen. Robert F. Kennedy sits next to Chavez, very weak after a prolonged hunger strike, during a 1968 rally in support of the United Farm Workers in Delano, California. Time Life/Getty Images
An estimated 25,000 mourners accompany Chavez's pine casket to his funeral Mass in Delano, California, in 1993. AFP/Getty Images
A year after he died, Chavez was given a Medal of Freedom by President Bill Clinton. Getty Images
President Barack Obama speaks in 2012 during the announcement of the Cesar E. Chavez National Monument in Keene, California. Getty Images