The Battle of Chattanooga, one of the most decisive battles of the American Civil War, begins (also in Tennessee).
Italian tenor Enrico Caruso makes his American debut in a Metropolitan Opera production of Verdi's Rigoletto.
The Wright brothers form a million-dollar corporation for the commercial manufacture of their airplanes.
President Warren G. Harding signs the Willis Campell Act, better known as the anti-beer bill. It forbids doctors to prescribe beer or liquor for medicinal purposes.
President Franklin D. Roosevelt recalls the American ambassador from Havana, Cuba, and urges stability in the island nation.
The United States and Great Britain agree on a 5-5-3 naval ratio, with both countries allowed to build five million tons of naval ships while Japan can only build three. Japan will denounce the treaty.
The United States abandons the American embassy in Madrid, Spain, which is engulfed by civil war.
US Pres. Ronald Reagan signs top secret directive giving the CIA authority to recruit and support Contra rebels in Nicaragua.
The first all-woman expedition to South Pole sets off from Antarctica on the part of a 70-day trip; the group includes 12 Russians, 3 Americans and 1 Japanese.
Ellen Johnson Sirleaf elected president of Liberia; she is the first woman to lead an African nation.
In the second-deadliest day of sectarian violence in Iraq since the beginning of the 2003 war, 215 people are killed and nearly 260 injured by bombs in Sadr City.