1778 – American Revolutionary War: The Continental Army engages the British in the Battle of Monmouth Courthouse resulting in a stalemate and British withdrawal under cover of darkness.
1894 – Labor Day becomes an official US holiday.
1902 – Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
1914 – Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo, sparking the start of World War I.
1919 – The Treaty of Versailles is signed, ending World War I.
1969 – The Stonewall riots begin in New York City, marking the start of the Gay Rights Movement.
1971 – The Supreme Court ruled the use of public funds for parochial schools was unconstitutional.
1978 – The Supreme Court, in Regents of the University of California v. Bakke bars quota systems in college admissions.
1997 – Mike Tyson is disqualified in a boxing match for biting a piece off Evander Holyfield’s ear.