September 3rd

2006
Tennis player Andre Agassi announced his retirement.
Andre Agassi
2005
President George W. Bush ordered more than 7,000 active duty forces to the Gulf Coast in the aftermath of Hurricane Katrina.
Iraq War
2004
A three-day hostage siege at a school in Beslan, Russia, ended in bloody chaos after Chechen militants set off bombs and Russian commandos stormed the building. more than 330 people were killed, most of them children.
Beslan school siege
1995
Internet giant eBay is founded by Pierre Omidyar. The company owns ebay.com, an online marketplace and auction website.
Pierre Omidyar
1988
Estimated by this date 50,000 Kurdish civilians and soldiers killed by Iraq, many using chemical weapons, in aftermath of Iran-Iraq War.
Anfal genocide
1978
Pope John Paul I was installed as the 264th pontiff of the Roman Catholic Church.
Pope John Paul I
1976
The unmanned U.S. spacecraft Viking 2 landed on Mars to take the first close-up, color photographs of the planet's surface.
Viking 1
1974
Frank Robinson was named the first African-American manager in major league baseball.
Frank Robinson
1971
Qatar independence. The Persian Gulf state gained its independence after 55 years of British rule.
History of Qatar
1970
Hall of Fame football coach Vince Lombardi died at age 57.
Vince Lombardi
1967
Dagen H in Sweden. On this day, Swedish drivers switched from driving on the left-hand side of the road to the right.
Dagen H
1962
Poet E.E. Cummings died in North Conway, N.H., at age 67.
E. E. Cummings
1952
Day skipped in the British Empire. The British Empire skipped 11 days starting September 3 when it adopted the Gregorian calendar.
Territorial evolution of the British Empire
1950
1st Formula One WDC: Giuseppe 'Nino' Farina wins by three points.
1950 Formula One season
1939
WWII: Britain declares war on Germany after invasion of Poland. France follows 6 hours later quickly joined by Australia, New Zealand, South Africa & Canada.
Invasion of Poland
1929
The Dow Jones industrial average closed at 381.17, it's pre-crash high.
1900
With a proclamation by General Lord Roberts, Britain annexes the Boer Republic of South Africa.
Second Boer War
1783
Treaty of Paris is Signed between Great Britain and the United States of America. The treaty ended the American Revolutionary War.
Treaty of Paris (1783)
1777
Flag of the United States flown in battle for the 1st time at Cooch's Bridge, Delaware, a skirmish during American Revolutionary War.
1658
Oliver Cromwell, the lord protector of England, died.
Oliver Cromwell
1189
Richard I (the Lion-Hearted) was crowned king of England at Westminster Abbey.
Richard I of England
301
San Marino, one of the smallest nations in the world and the world's oldest republic still in existence, founded by Saint Marinus.
San Marino