September 3rd

Tennis player Andre Agassi announced his retirement.
Andre Agassi
President George W. Bush ordered more than 7,000 active duty forces to the Gulf Coast in the aftermath of Hurricane Katrina.
Iraq War
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
Internet giant eBay is founded by Pierre Omidyar. The company owns, an online marketplace and auction website.
Pierre Omidyar
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
Pope John Paul I was installed as the 264th pontiff of the Roman Catholic Church.
Pope John Paul I
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
Frank Robinson was named the first African-American manager in major league baseball.
Frank Robinson
Qatar independence. The Persian Gulf state gained its independence after 55 years of British rule.
History of Qatar
Hall of Fame football coach Vince Lombardi died at age 57.
Vince Lombardi
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
Poet E.E. Cummings died in North Conway, N.H., at age 67.
E. E. Cummings
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
1st Formula One WDC: Giuseppe 'Nino' Farina wins by three points.
1950 Formula One season
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
The Dow Jones industrial average closed at 381.17, it's pre-crash high.
With a proclamation by General Lord Roberts, Britain annexes the Boer Republic of South Africa.
Second Boer War
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)
Flag of the United States flown in battle for the 1st time at Cooch's Bridge, Delaware, a skirmish during American Revolutionary War.
Oliver Cromwell, the lord protector of England, died.
Oliver Cromwell
Richard I (the Lion-Hearted) was crowned king of England at Westminster Abbey.
Richard I of England
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