Charles IV of Luxembourg is elected Holy Roman Emperor.
Henry VIII of England marries Catherine of Aragon.
Captain James Cook runs aground on the Great Barrier Reef.
Napoleon Bonaparte takes the island of Malta.
Union forces under General George B. McClellan repulse a Confederate force at Rich Mountain in western Virginia.
Major General Henry W. Halleck finds documents and archives of the Confederate government in Richmond, Virginia. This discovery will lead to the publication of the official war records.
Charles E. Duryea receives the first U.S. patent granted to an American inventor for a gasoline-driven automobile.
King Alexander and Queen Draga of Belgrade are assassinated by members of the Serbia army.
British troops take Cameroon in Africa.
Charles Lindbergh, a captain in the US Army Air Corps Reserve, receives the first Distinguished Flying Cross ever awarded, for his solo trans-Atlantic flight.
William Beebe, of the New York Zoological Society, dives to a record-setting depth of 1,426 feet off the coast of Bermuda, in a diving chamber called a bathysphere.
The Disarmament Conference in Geneva ends in failure.
The Italian Air Force bombs the British fortress at Malta in the Mediterranean.
The Italian island of Pantelleria surrenders after a heavy air bombardment.
U.S. carrier-based planes attack Japanese airfields on Guam , Rota, Saipan and Tinian islands, preparing for the invasion of Saipan.