Congo DiaryBy: Ernesto Che Guevara Series: The Che Guevara Library Ernesto Che Guevara's diary of his revolutionary struggle in Congo alongside Cuban guerrillas. In April 1965, Che Guevara set out clandestinely from Havana to Congo to head a force of some 200 veteran Cuban soldiers to assist the African liberation movement against Belgian colonialists, four years after the assassination of the democratically elected socialist president of Congo, Patrice Lumumba.