On April 20, 1972, thirty-five black students at Harvard University — members of the Pan African Liberation Committee (PALC) and of the Harvard-Radcliffe Association of African and Afro-American Students (AFRO) — moved into Massachusetts Hall and announced that they had taken over the administration building in protest over the decision of the Harvard Corporation to retain its stock in the Gulf Oil Corporattion. The occupation lasted seven days and was supported by a large segment of the Harvard student body, many Boston community and church organizations, some of the most prominent black leaders in the United States, as well as spokesmen for the major nationalist groups in Angola.