Angola, 1975 or ’76: Chinese advisers at camp of Angolan guerrillas allied with apartheid South Africa and Washington. Some 425,000 Cuban internationalists volunteered to aid Angolan freedom forces battling South African invasions between 1975 and 1991. Beijing aided reactionary forces commanded by Holden Roberto (center, in sunglasses) and group headed by Jonas Savimbi on opposite sides of barricades from Cuba’s revolutionary leadership.