Sep. 13. 1663: First serious recorded slave organizing in colonial America in Gloucester County, Virginia. 1971: New York state police murder 37 prisoners, ending Attica Prison uprising, Attica, New York.

Sep. 14. 1883: Birth control advocate Margaret Sanger born. 1991: South African government, African National Congress and Inkatha Freedom Party sign the National Peace Accord, leading to multi-racial elections and the end of South Africa's apartheid system in 1994.

Sep. 15. 1996: 6,000 rally and 1,033 are arrested near the Headwaters Grove in rural Carlotta, Calif., in a protest against the logging of one of the last large, unlogged redwood stands in the world.

Sep. 16. 1910: Mexican revolution ends U.S.-supported dictatorship of Portolio Diaz. 1982: Massacre of over 1,000 civilian Palestinian refugees begins, Sabnra and Shatila camps, Lebanon.

Sep. 17. 1858: Col. Wright dictates terms of surrender to Indians at Coeur d'Alene mission; 24 chiefs of Yakama, Cayuse, Wallawalla, Palouse and Spokane tribes are shot or hanged. 1961: 1,314 arrested in anti-bomb sit-down, Trafalgar Square, London.

Sep. 18. 1889: Hull House is opened by Jane Addams and others to help immigrants settle and naturalize in Chicago. 1987: Pope John Paul II speaks to Native American leaders in Phoenix, Arizona, urging them to forget the past.

Sep. 19. 1865: Chinese coal miners driven out of Black Diamond, Wash. 1969: A bomb causes serious damage to the new Federal Office Building in New York City.

Sep. 20. 1932: Rabindranath Tagore urges resistance to practice of "untouchability," British India. 1992: Kurdish writer Musa Anter is assassinated by a Turkish death squad.

Sep. 21. 1948: Folke Bernadotte, U.N. mediator, assassinated by Jewish paramilitaries, Palestine. 1989: Israeli soldiers begin a 42-day occupation and house-to-house destruction of the Palestinian town of Beit Sahour, in retaliation for its mass two-year refusal to pay taxes to the occupying Israeli government.

Sep. 22. 1861: In an unprovoked peacetime attack, U.S. Army soldiers massacre a band of visiting Navajo men, women and children during a horse race at Fort Wingate, New Mexico. 1971: American Indian Movement activists attempt to arrest the deputy director of the Bureau of Indian Affairs in Washington, D.C.

Sep. 23. 1870: Proclamation of the Republic of Puerto Rico in revolt against Spanish rule: "Gritto de Lares." Lares, Puerto Rico.

Sep. 24. 1924: Mohandas Gandhi begins 21-day fast for Hindu-Moslem unity, India. 1969: Beginning of the trial of the Chicago Eight, a broad conspiracy trial stemming from the 1968 Democratic National Convention protests. Sought (unsuccessfully) to imprison eight of the country's leading anti-war protest organizers.

Sep. 25. 1937: City of Los Angeles, California bans sale of war toys.

Sep. 26. 1932: Gandhi ends fast against separate electorate for untouchables, British India. 1937: Bessie Smith dies of injuries from an auto accident outside of a Jim Crow hospital in Mississippi.