Henry VIII of England marries Catherine Howard; Thomas Cromwell is beheaded on Tower Hill in England.
French explorer Samuel de Champlain discovers Lake Huron on his seventh voyage to the New World.
The 14th Amendment to the Constitution, which guarantees citizenship to all those born or naturalized in the United States, is adopted.
Spain, through the offices of the French embassy in Washington, D.C., requests peace terms in its war with the United States.
Austria-Hungary declares war on Serbia, beginning World War I.
Pancho Villa surrenders to the Mexican government.
President Lyndon Johnson sends an additional 50,000 troops to South Vietnam.
A fire at an electrical substation causes a blackout in Chicago. Some 40,000 people were without power for up to three days.
Discovery of remains of a prehistoric man near Kennewick, Washington, casts doubts on accepted beliefs of when, how and where the Americas were populated.
Britain experiences its most costly tornado to date, causing 40 million Sterling Pounds of damage to Birmingham in just four minutes. There were no fatalities.