Aug. 19. 1958: NAACP youth council begins sit-ins to desegregate lunch counters in Oklahoma. 1993: 16 Yanomami Indians massacred by gold miners in Amazon jungle, Brazil.

Aug. 20. 1619: First black slaves land at Jamestown, Virginia. 1860: National Labor Union formed. 1965: Johnathan Daniels, seminary student and civil rights activist, is shot and killed at point-blank range in Nayneville, Ala. His killer is acquitted by an all-white jury. 1968: Soviet occupation of Czechoslovakia met with nonviolent resistance. 1981: Crow Indians barricade Hwy. 313 near Hardin, Montana, to protest non-Indian fishing on Bighorn River in Crow Reservation. 1988: Cease fire ends Iraq-Iran war. 1995: On two days' notice, hundreds of civil rights activists rally in Seattle outside a Rainier Club campaign appearance for reactionary presidential candidate Pete Wilson.

Aug. 21. 1831: Nat Turner leads slave revolt in Virginia. 1965: Anti-Vietnam war protesters stage a sit-in in Vancouver, B.C., during a visit by Prime Minister Lester Pearson. 1971: Black liberation activist George Jackson and five others are assassinated by prison guards, San Quentin, Calif. 1976: Beginning of two days of occupation of Seabrook nuclear power plant construction site, Seabrook, New Hampshire. 1983: Opposition leader Benigno Aquino assassinated upon return from exile, Manila, Philippines. 1991: Mass demonstrations overcome attempted coup, Moscow, USSR.

Aug. 22. 1779: Gen. Clinton's troops join with Gen. Sullivan's in "scorched earth" policy against Iroquois. 1791: Slave revolt begins Haitian revolution. In 1804, Haiti becomes first free black country in the world. Due to pressure from Southern slaveholders, U.S. refuses recognition of Haiti until 1865. 1972: Police arrest 891 over two days as thousands of anti-war protesters disrupt the Miami Beach convention of Republican Party. 1989: Black Panther Party for Self-Defense co-founder Huey Newton murdered in Pennsylvania.

Aug. 23. 1876: Canadian Assiniboine cede 121,000 square miles (twice the size of Washington state) in Treaty #6. 1927: Nicola Sacco and Bartolomeo Vanzetti, anarchist political prisoners, executed, Massachusetts. 1933: Vigilantes assault 200 migrant workers in Yakima. 1989: Over one million join hands across three Baltic States in 400-mile-long chain of resistance to USSR.

Aug. 24. 1912: Cathlamet tribe awarded $7,000, Clatsop $16,000 and Chinook $20,000 for claims from loss of aboriginal lands at mouth of Columbia River. 1945: Congress passes Communist Control Act. 1958: 6,000 in the sparsely populated Central American colony of British Honduras (now Belize) march for self-government. 1967: Abbie Hoffman and Jerry Rubin throw 300 one-dollar bills from balcony onto floor of New York Stock Exchange, creating instant bedlam. 1970: UFW lettuce strike begins. 1980: Solidarity trade union movement founded in Gdansk, Poland.

Aug. 25. 1689: 1,200 Iroquois warriors attack Montreal. 1948: Central Committee for Conscientious Objectors founded in Philadelphia.