Congress abolished slavery in the U.S. territories.
Gen. Gordon Granger informed the citizens of Galveston, Tex., that the slaves were freed. The celebration of the day became known as Juneteenth.
The first running of the Belmont Stakes.
The Federal Communications Commission (FCC) was created.
The Civil Rights Act of 1964 was approved.
Pope Paul VI proclaimed John Neumann, the first male saint from the United States.
The Supreme Court struck down a Louisiana law requiring any public school teaching the theory of evolution to teach creationism as well.
Afghanistan president Hamid Karzai was sworn in.