Wikipedia:Selected anniversaries/September 3

September 3: Independence Day in Qatar (1971).

• 301: San Marino, one of the smallest nations in the world and the world's oldest republic still in existence, was founded by Saint Marinus.
• 1189: Richard the Lionheart was crowned King of England in Westminster.
• 1260: Mamluk forces defeated a Mongol army in Palestine in the Battle of Ain Jalut, marking the point of maximum westward expansion of the Mongol Empire.
• 1783: The signing of the Treaty of Paris formally ended the American Revolutionary War.
• 1976: The Viking 2 spacecraft landed on Mars and took the first close-up, color photos of the planet's surface.

Recent days: September 2 – September 1 – August 31

More anniversaries:

• August 31
• September 1
• September 2