1652 - The Dutch established a settlement at Cape Town, South Africa.
1712 - A slave revolt broke out in New York City.
1862 - Union General Ulysses S. Grant defeated Confederates at the Battle of Shiloh.
1930 - The first steel columns were set for the Empire State Building.
1933 - Prohibition ended in the United States.
1943 - British and American armies linked up between Wadi Akarit and El Guettar in North Africa to form a solid line against the German army.
1948 - The United Nations' World Health Organization began operations.
1963 - Yugoslavia proclaimed itself a Socialist republic.
1963 - Josip Broz Tito was proclaimed to be the leader of Yugoslavia for life.
1966 - The U.S. recovered a hydrogen bomb it had lost off the coast of Spain.
1985 - The Soviet Union announced a unilateral freeze on medium-range nuclear missiles.
1988 - Soviet leader Mikhail Gorbachev agreed to final terms of a Soviet withdrawal from Afghanistan. Soviet troops began leaving on May 16, 1988.
1989 - A Soviet submarine carrying nuclear weapons sank in the Norwegian Sea.
1994 - Civil war erupted in Rwanda between the Patriotic Front rebel group and government soldiers. Hundreds of thousands were slaughtered in the months that followed.