Wikipedia:Selected anniversaries/September 3

September 3: Labor Day in the United States and Labour Day in Canada (2007); Independence Day in Qatar; Armed Forces Day in Taiwan.

• 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.

• 1260 – Egyptian Mamluks defeated the Mongols at the Battle of Ain Jalut in Palestine.

• 1783 – Great Britain and the United States signed the Treaty of Paris, formally ending the American Revolutionary War.

• 1901 – The National Flag of Australia (pictured), a Blue Ensign defaced with the Commonwealth Star and the Southern Cross, flew for the first time atop the Royal Exhibition Building in Melbourne.

• 1976 – The NASA Viking 2 spacecraft landed on Mars and took the first close-up, color photos of the planet's surface.

More events on this day... Recent days: September 2 – September 1 – August 31

More anniversaries:

• August 31
• September 1
• September 2