On June 20, 1941, after a long and bitter struggle on the part of Ford against cooperation with organized labor unions, Ford Motor Company signs its first contract with the United Automobile Workers of America and Congress of Industrial Organizations (UAW-CIO) on June 20,

In 1967, boxer Muhammad Ali was convicted in Houston of violating Selective Service laws by refusing to be drafted and was sentenced to five years in prison. (Ali’s conviction was ultimately overturned by the U.S. Supreme Court).

In 1972, three days after the arrest of the Watergate burglars, President Richard Nixon met at the White House with his chief of staff, H.R. Haldeman; the secretly made tape recording of this meeting ended up with the notorious 18 1/2-minute gap.

In 1990, South African Black nationalist Nelson Mandela and his wife, Winnie, arrived in New York City for a ticker-tape parade in their honor as they began an eight-city U.S. tour.

In 2014, the Obama administration granted an array of new benefits to same-sex couples, including those living in states where gay marriage was against the law.