September 11 is the 255th day of 2024. Notable events on this date from previous years include:
- 1390 — The Teutonic Knights began a five-week siege of Vilnius in the Lithuanian Civil War (1389 – 92).
- 1565 — Ottoman forces retreated from Malta ending the Great Siege of Malta.
- 1649 — Oliver Cromwell’s Parliamentarian troops ended the Siege of Drogheda by taking the town and executing its garrison.
- 1683 — Coalition forces, including the famous winged Hussars, led by Polish King John III Sobieski, lifted the siege laid by Ottoman forces, ending the Battle of Vienna.
- 1714 — Barcelona, capital city of the Principality of Catalonia, surrendered to Spanish and French Bourbon armies in the War of the Spanish Succession, thus ending the Siege of Barcelona.
In non-siege related history:
- 1789 — Alexander Hamilton was appointed the first United States Secretary of the Treasury.
- 1830 – The Anti-Masonic Party held its first convention, one of the first American political party conventions. Four years earlier on this date Captain William Morgan, a former freemason, was arrested in Batavia, New York, for debt after declaring that he would publish The Mysteries of Free Masonry, a book against Freemasonry. Soon after he mysteriously disappeared.
- 1851 — Escaped slaves led by William Parker fought off and killed a slave owner who, with a federal marshal and an armed party, had sought to seize three of his former slaves in Christiana, Pennsylvania, thereby creating a cause célèbre between slavery proponents and abolitionists.
- 2001 — On September 11, “some people did something,” in the words of Rep. Ilhan Omar.