Congo Diary: Episodes of the Revolutionary War in the Congo, by Ernesto Che Guevara

In April 1965, Che Guevara set out clandestinely from Havana to Congo to head a force of some 150 veteran Cuban soldiers to assist the Congolese Patrice Lumumba Battalion, four years after the assassination of the democratically elected socialist president of Congo, Patrice Lumumba.