Microsoft releases Windows XP, which becomes one of Microsoft's most successful operating systems.
After a civil war, Denis Sassou Nguesso proclaims himself President of the Republic of the Congo.
The first leg of the 1989 Supertaça Cândido de Oliveira is held at the Estádio da Luz in Lisbon, Portugal.
Egypt and Israel accept United Nations Security Council Resolution 339.
The People's Republic of China replaces the Republic of China at the United Nations.
Cuban Missile Crisis: Adlai Stevenson shows the United Nations Security Council reconnaissance photographs of Soviet ballistic missiles in Cuba.
World War II: Heinrich Himmler orders a crackdown on the Edelweiss Pirates, a loosely organized youth culture in Nazi Germany that had assisted army deserters and others to hide from the Third Reich.
World War II: The USS Tang under Richard O'Kane (the top American submarine ace of the war) is sunk by the ship's own malfunctioning torpedo.
World War II: The final attempt of the Imperial Japanese Navy to win the war climaxes at the Battle of Leyte Gulf.
Benjamin O. Davis Sr. is named the first African American general in the United States Army.
Old Style date of the October Revolution in Russia.
The Xinhai Revolution spreads to Guangzhou, where the Qing general Fengshan is assassinated by the Chinese Assassination Corps.
Greek War of Independence: The First Siege of Missolonghi begins.
Emperor Leo I acclaims his grandson Leo II as Caesar of the East Roman Empire.