1821
Events
March
- March 25: Greece declares the War of Independence against Turkey.
September
- September 23: Greeks capture Tripolis during the War of Independence against Turkey,
November
- November 4: The revolting Greeks prevail over the Turkish forces at Chalandri and then take over Athens
- November 5: First lord high commissioner of the Ionian Islands, Sir Thomas Maitland, expels all Greek refugees to prevent residents of the islands from giving assistance to the Greek War of Independence.