Treaty of Paris Recognises American Independence
On September 3, 1783, Britain and the United States signed the Treaty of Paris, ending the Revolutionary War and setting the border at the Mississippi.
Italy Signs the Armistice of Cassibile With the Allies
On September 3, 1943, Italy signed the Armistice of Cassibile with the Allies, a secret surrender announced five days later as German troops moved in.
Sweden Switches to Driving on the Right
On September 3, 1967, Sweden switched to right-hand traffic in one morning, moving 360,000 road signs in what is still called Dagen H.
Viking 2 Lands on Mars at Utopia Planitia
On September 3, 1976, Viking 2 landed on Mars at Utopia Planitia and ran the first experiments designed to detect life there.
Pierre Omidyar Launches AuctionWeb, the Site That Became eBay
On September 3, 1995, Pierre Omidyar launched AuctionWeb in San Jose, a site renamed eBay two years later that changed online selling.