Apr. 25. 1974: "Carnation Revolution" ends 48-year military dictatorship, Portugal. 1993: Over one million join march in Washington, DC for gay, lesbian, bisexual and transgender rights.

Apr. 26. 1961: Actress Vanessa Redgrave is among 826 British anti-nuclear protesters arrested during a London sit-down.

Apr. 27. 1813: The U.S. burns Toronto to the ground in an unsuccessful attempt to gain control of Lake Ontario. 1987: Central Intelligence Agency headquarters in Langley, VA, blockaded by protesters of U.S. policies in Central America and Southern Africa. 700 arrested.

Apr. 28. 1987: Benjamin Linder, a volunteer engineer from Seattle, is murdered by U.S.-sponsored Contras (characterized by then-President Reagan as "the moral equivalent of our founding fathers") while working on a hydroelectric project in rural Nicaragua.

Apr. 29. 1858: Publication in France of P.J. Proudhon's "Justice," with the memorable line, "Property is theft!" 1992: An all-white jury acquits four Los Angeles policemen of charges resulting from the beating of Rodney King. Riots break out in Los Angeles, San Francisco, Las Vegas, and numerous other U.S. cities.

Apr. 30. 1970: Announcement of secret U.S. bombing and invasion of previously neutral Cambodia prompts demonstrations at college campuses across U.S. Four days before Kent State, National Guard troops fire shotguns on protesters at Ohio State University, injuring seven. 1,000 march in downtown Seattle.

May 1. 1971: Beginning of five days of anti-war May Day protests in Washington, D.C., resulting in over 14,000 arrests--the largest mass civil disobedience in U.S. history. 1996: Three are killed and 69 injured when police attack leftist demonstrators in a 100,000 person May Day rally. Istanbul, Turkey.

May 2. 1955: Parliament forbids discrimination by caste, India. 1968: Protest at University of Nanterre escalates into French student strike. By May 13, over ten million French are out on a sympathy strike.

May 3 1917: French 21st Div. soldiers refuse orders to attack after repeated suicide charges.

May 4. 1961: Congress of Racial Equality (CORE) begins organizing "Freedom Rides" to desegregate bus terminals in U.S. South. 1983: Nuclear freeze resolution approved by U.S. House of Representatives.

May 5. 1991: Last U.S. cruise missile leaves Greenham Common Air Base, Britain, site of a decade of anti-nuclear protests organized by women.

May 6. 1973: Demonstrations against Pacific nuclear tests in 14 cities across France. 1980: 170,000 workers in Togliatti, Russia, USSR auto plant stay home in support of bus driver walkout.

May 7. 1518: Juan de Grijalva's expedition, sailing the Yucatan coast, reports the Mayan city of Tulum is larger and as grand as Seville. 1955: In Belzoni, Mississippi, Rev. George Lee, active in the NAACP, is murdered for his voter registration activities.

May 8. 1958: V.P. Richard Nixon shoved, stoned, booed, & spat upon by protesters in Peru.