Following a five-year table grape boycott, Delano-area growers file into the United Farm Workers union hall in Delano, Calif. to sign their first union contracts - 1970

United Auto Workers President Walter Reuther and his wife May die in a plane crash as they travel to oversee construction of the union’s education and training facility at Black Lake, Mich. - 1971

About 200 construction workers in New York City attack a crowd of Viet Nam war protesters four days after the Kent State killings. More than 70 people were injured, including four police officers. Peter Brennan, head of the New York building trades, was honored at the Nixon White House two weeks later, eventually named Secretary of Labor - 1970