User:Hawkeye7/War/Selected anniversaries/October 13
- 1775 - The United States Continental Congress orders the establishment of the Continental Navy (later renamed the United States Navy).
- 1812 - War of 1812: Battle of Queenston Heights - As part of the Niagara campaign in Ontario, Canada, United States forces under General Stephen Van Rensselaer are repulsed from invading Canada by British and native troops led by Sir Isaac Brock.
- 1943 - World War II: The new government of Italy sides with the Allies and declares war on Germany.