1980After rumbling for two months, Mount Saint Helens, in Washington, erupts 3 times in 24 hours.
1974India becomes the sixth nation to explode an atomic bomb.
1969Two battalions of the 101st Airborne Division assault Hill 937 but cannot reach the top because of muddy conditions.
1951The United Nations moves its headquarters to New York city.
1944The Allies finally capture Monte Cassino in Italy.
1942New York ends night baseball games for the rest of World War II.
1933President Franklin Roosevelt signs the Tennessee Valley Authority Act.
1931Japanese pilot Seiji Yoshihara crashes his plane in the Pacific Ocean while trying to be the first to cross the ocean nonstop. He is picked up seven hours later by a passing ship.
192745 people die in the United States' worst school massacre
1919Margot Fonteyn, English ballet dancer.
1918John Paul II [Karol Jozef Wojtyla], Roman Catholic pope.
1917The U.S. Congress passes the Selective Service act, calling up soldiers to fight World War I.
1911Joseph Vernon “Big Joe” Turner, blues singer.
1904Brigand Raisuli kidnaps American Ion H. Perdicaris in Morocco.
1902Meredith Willson, composer and lyricist (The Music Man).