It is the 179th day of the year, with only 186 days remaining.
This date is the only date each year where both the month and day are different perfect numbers, June 6, being the only date where the month and day are the same perfect number.
1776 - Fort Moultrie is attacked during the Battle of Sullivan's Island, this event is commemorated in Carolina Day.
1776 - Thomas Hickey, Continental Army private and bodyguard to General George Washington, is hanged for mutiny and sedition.
1846 - The saxophone is patented by Adolphe Sax in Paris, France.
1865 - The Army of the Potomac is disbanded.
1894 - Labor Day becomes a US holiday.
1902 - Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
1914 - Franz Ferdinand, Archduke of Austria and his wife Sophie are assassinated in Sarajevo by young Serbian nationalist Gavrilo Princip, the casus belli of World War I.
1919 = The Treaty of Versailles is signed in Paris, formally ending World War I, between Belgium, Britain, France, Italy, and the United States, and allies on the one side and Germany and Austria-Hungary on the other.
1942 - Nazi Germany started its strategic summer offensive against the Soviet Union codenamed Case Blue.
1948 - Boxer Dick Turpin beats Vince Hawkins at Villa Park in Birmingham to become the first black British boxing champion in the modern era.
1964 - Malcolm X forms the Organization of Afro-American Unity.
1989 - The 600th anniversary of the Battle of Kosovo. Serbian leader Slobodan Milosevic delivers the Gazimestan speech at the site of the historic battle, which is later interpreted as foreshadowing the Yugolav Wars.
1994 - Members of the Aum Shinrikyo cult release sarin gas in Matsumoto, Japan, 7 persons are killed and 660 are injured.
1997 - Mike Tyson fights Evander Holyfield II, and Tyson is disqualified in the 3rd round for biting a piece of Holyfield's ear.