Libyan involvement with Chad can be said to have started in 1968, during the Chadian Civil War, when the insurgent Muslim National Liberation Front of Chad (FROLINAT) extended its guerrilla war against the Christian President François Tombalbaye to the northerly Borkou-Ennedi-Tibesti Prefecture (BET).
Libyan involvement with Chad started in 1968, during a period of civil unrest in Chad, when the Muslim National Liberation Front of Chad (FROLINAT) launched a rebellion against President François Tombalbaye that spread to the BET region.