American Revolutionary War: The Battle of Kettle Creek is fought in Georgia.
Texas is linked by telegraph to the rest of the United States, with the completion of a connection between New Orleans and Marshall, Texas.
The Soviet Union adopts the Gregorian calendar (on 1 February according to the Julian calendar).
The Polish-Soviet War begins.
World War II: Rostov-on-Don, Russia is liberated.
President Franklin D. Roosevelt meets with King Ibn Saud of Saudi Arabia aboard the USS Quincy, officially beginning U.S.-Saudi diplomatic relations.
Iranian leader Ruhollah Khomeini issues a fatwa encouraging Muslims to kill Salman Rushdie, author of The Satanic Verses.
Seven people are killed and 151 wounded in a series of bombings by suspected al-Qaeda-linked militants that hit Makati, Davao City, and General Santos City, all in the Philippines.
As a part of Arab Spring, the Bahraini uprising begins with a 'Day of Rage'.