Today:
1176 – The Byzantine Empire was defeated by the Seljuk Turks at the Battle of Myriokephalon, marking a significant loss for Emperor Manuel I Komnenos.
1394 – King Charles VI of France ordered the expulsion of all Jews from France.
1630 – The city of Boston, Massachusetts, was founded.
1787 – The United States Constitution was signed by the delegates at the Constitutional Convention in Philadelphia.
1849 – Harriet Tubman escaped from slavery in Maryland to Philadelphia, where she would later become a leader of the Underground Railroad.
1862 – The American Civil War’s Battle of Antietam took place, marking the bloodiest single-day battle in American history.
1908 – The first airplane fatality occurred when Orville Wright’s plane crashed, killing Lt. Thomas Selfridge.
1939 – The Soviet Union invaded Poland from the east during World War II, just weeks after Nazi Germany had invaded from the west.
1978 – The Camp David Accords were signed between Israel and Egypt after 12 days of secret negotiations at the U.S. presidential retreat.
2011 – Occupy Wall Street protests began in New York City, sparking a global movement against economic inequality.