1940 Chad becomes the first French colony to join the Allies under the administration of Félix Éboué, France's first black colonial governor.
1958 Chad, the Republic of the Congo, and Gabon become autonomous republics within the French Community.
1960 The African National Party is founded in Chad, through the merger of traditionalist parties.
1960 Chad declares independence.
2005 Chad declares a state of war against Sudan following a December 18 attack on Adré, which left about 100 people dead.
2006 Over 150 Chadian soldiers are killed in eastern Chad by members of the rebel UFDC. The rebel movement sought to overthrow Chadian president Idriss Deby.