May 15. 1982: 40,000 demonstrate against military electronics fair, Hannover, West Germany.

May 16. 1791: Denmark becomes first Western country to outlaw slave trade.

May 17. 1961: Fidel Castro offers to trade Bay of Pigs prisoners to U.S. for bulldozers. 1968: Catonsville Nine, including Phil and Dan Berrigan, break into Catonsville, MD draft board center and burn over 600 draft files. 1974: Leader of Symbionese Liberation Army, Cinque, and other SLA members assassinated by Los Angeles police.

May 18. 1781: Tupac Amaru II, leader of Inca Rebellion, executed in the same Peruvian square as his ancestor two centuries before. 1970: Black protestors occupy administrative offices at Seattle U. 1972: Founding of radical senior advocacy group Gray Panthers. 1980: Mount St. Helens goes boom.

May 19. 1890: Birth of Ho Chi Min'h, Vietnam. 1925: Birth of Malcolm Little, later known as Malcolm X.

May 20. 1506: Christobol Columbus dies at Valladolid, Spain, neglected and almost forgotten, never fully realizing the importance of his explorations. 1776: Mohawks, under Joseph Brandt, defeat Americans at the Battle of the Cedars. 1972: 21,000 acres in Gifford Pinchot Nat'l Forest returned to Yakama Tribe. 1996: U.S. Supreme Court rules that a Colorado state law prohibiting any legislative protecting gays and lesbians against discrimination is unconstitutional.

May 21. 1971: Members of American Indian Movement occupy Naval Air Station near Milwaukee, WI.