From Time:
The Immigration and Nationality Act is signed (Oct. 3, 1965) … In a dramatic ceremony at the Statue of Liberty, President Lyndon Baines Johnson signed the Immigration and Nationality Act of 1965, catalyzing an increase in cultural diversity in the United States. … Vicki L. Ruiz is Distinguished Professor of History and Chicano/Latino Studies at the University of California, Irvine.

For the full story, please visit http://time.com/3889533/25-moments-changed-america/.