On June 9, 1969, the Senate confirmed Warren Burger to be the new chief justice of the United States, succeeding Earl Warren.
In 1972, heavy rains triggered record flooding in the Black Hills of South Dakota, leaving at least 238 people dead.
In 1973, Secretariat won the Belmont Stakes, becoming horse racing’s first Triple Crown winner in 25 years.
In 1978, leaders of the Church of Jesus Christ of Latter-day Saints struck down a policy of excluding Black men from the Mormon priesthood.
In 1980, comedian Richard Pryor suffered almost fatal burns at his San Fernando Valley, California, home while freebasing cocaine.