Wikipedia:Selected anniversaries/August 14
August 14: Independence Day for Pakistan (1947)
- 1385 - Castilians were defeated by Portuguese at the Battle of Aljubarrota.
- 1842 - Seminole Indians were forced from Florida to Oklahoma, ending the Second Seminole War.
- 1941 - Winston Churchill and Franklin Delano Roosevelt signed the Atlantic Charter.
- 1980 - Lech Wałęsa and colleagues at Gdańsk Shipyard began strike actions, which subsequently led to the founding of the Solidarity movement in Poland.
- 2003 - Widescale power blackout occurred in the northeast United States and in central Canada.