Administrative divisions:

18 regions (regions, singular - region); Batha,
Borkou-Ennedi-Tibesti, Chari-Baguirmi, Guera, Hadjer-Lamis, Kanem,
Lac, Logone Occidental, Logone Oriental, Mandoul, Mayo-Kebbi Est,
Mayo-Kebbi Ouest, Moyen-Chari, Ouaddai, Salamat, Tandjile, Ville de
N'Djamena, Wadi Fira

Independence:

11 August 1960 (from France)

National holiday:

Independence Day, 11 August (1960)

Constitution:

passed by referendum 31 March 1996; a June 2005 referendum removed constitutional term limits

Legal system:

based on French civil law system and Chadian customary law; has not accepted compulsory ICJ jurisdiction