Apr. 10. 1981: UN approves world treaty assuring no civilians should be attacked with "napalm, mines or booby-traps." Defeated by US veto. 1995: California judge rules that assault-type weapons manufacturers can be sued for carnage resulting from the product's use.

Apr. 11. 1996: Treaty of Pelindaba signed in Cairo, making Africa a nuclear-free continent and at least in theory making the entire southern hemisphere a nuclear-free zone.

Apr. 12. 1935: 60,000 college students around the US go on strike against war. 1957: 18 nuclear physicists warn of danger of nuclear weapons, Gottingen, West Germany.

Apr. 13. 1980: Wahoe tribe wins federal court decision that it can enforce its own hunting laws in the Pine Nut Mountains of Nevada. 1996: Israeli Defense Force missiles kill two women and four children in ambulance as "legitimate target," southern Lebanon.

Apr. 14. 1775: First abolition society in the US organized in Philadelphia, Penn. 1937: Bruderhof, a collectivist traditional Christian peace church, raided by Gestapo, Frankfurt, Germany.

Apr. 15. 1963: Mass rally after release of 2,000 arrested for trying to hold Marathon peace march, Acropolis, Athens, Greece. 1967: First mass draft card burning as 400,000 march in New York City and 80,000 in San Francisco opposing Vietnam War.

Apr. 16. 1971: US military veterans hurl medals onto White House lawn, Washington DC. 2000: Some 20,000 global justice activists blockade meetings of the World Bank and International Monetary Fund, Washington DC.

Apr. 17. 1960: As a response to the Greensboro sit-in, 140 black students form Student Nonviolent Coordinating Committee (SNCC) in Raleigh, North Carolina. 1968: One third of Duke University student body strikes to protest racial discrimination in hiring of non-academic staff.

Apr. 18. 1970: 4,000 march in Seattle for peace in Southeast Asia, escorted by Seattle police officers with daffodils tied to their night sticks. 1996: 100 refugees in UN compound killed by intentionally targeted Israeli artillery, Quana, Lebanon.

Apr. 19. 1943: Jews in Warsaw, Poland, begin revolt against Nazi tyranny. 1971: Several hundred Vietnam Veterans Against the War begin an encampment on Capitol Hill, Washington, DC.

Apr. 20. 1971: Students march downtown from Seattle's Garfield High School to protest shootings of blacks by Seattle police. 1985: Some 250,000 march in Washington to protest US policy in Central America.

Apr. 21. 1834: 30,000 march for freedom of trade unionists transported to Australia from Tolpuddle, Britain. 2001: 60,000 or more dance, shout, and battle police on the streets of Quebec City, where 34 Western Hemisphere heads of state gathered to negotiate a NAFTA-style Free Trade Area of the Americas.

Apr. 22. 1526: First slave revolt in an American settlement. 1915: Franco-Belgian border: Germans use first modern poison gas weapon. 1985: Hundreds arrested at White House demonstration against US policy in Central America.

Apr. 23. 1904: Flathead Indian Reservation (in northwestern Montana) split into allotments; nearly half the land is then given to white settlers. 1996: Nineteen demonstrators arrested in Kiev, Ukraine, during illegal anti-nuclear protest marking 10th anniversary of Chernobyl.