May 8. 1828: US Peace Society founded. 1863: International Red Cross founded.

May 9. 1934: West Coast longshoremen (ILA) go out on strike to gain control of hiring. 1969: New York Times reveals the United States has been secretly bombing Cambodia--officially a noncombatant, neutral country.

May 10. 1967: Capt. Howard Levy jailed three years for refusing to train US soldiers for Vietnam. 1984: World Court orders US to stop mining of Nicaraguan harbors.

May 11. 1967: Jackson State Riot Number One. One student killed and two wounded as cops fire into a crowd after rioters stormed a police barricade. The National Guard was called in to quell the violence.

May 12. 1847: Freedom fighter Tiburcio Vasquez fights Anglo invaders in California. 1898: Louisiana adopts new constitution with "grandfather clause" designed to eliminate black voters.

May 13. 1970: Houston, Texas: Listener-sponsored Pacifica radio station KPFT's transmitter is blown up by person(s) unknown. Portions of the destroyed transmitter are still on display at the station.

May 14. 1970: Two students watching from a nearby dormitory tower are shot and killed by state police, 30 others are wounded at anti-war demonstration at the primarily African-American Jackson State University, Mississippi. Ensuing two days of riots in Jackson result in curfews and sealing off of the city.

May 15. 1966: Buddhist altars are placed in streets to stop troops arresting dissidents, South Vietnam. 1970: In response to invasion of Cambodia and killings at Kent State and Jackson State, several million US students hold campus strikes.

May 16. 1717: Voltaire (François Marie Arouet), suspected of writing subversive satire, is imprisoned for the first time in the Bastille. 1967: Nhat Chi Mai immolates herself to protest the Vietnam War, Saigon.

May 17. 1961: Fidel Castro offers to trade Bay of Pigs prisoners to US for bulldozers. 1968: "Catonsville Nine," including Phil and Dan Berrigan, break into Catonsville, MD draft board center and burn over 600 draft files.

May 18. 1958: In the face of Pres. Eisenhower's denials that the US is aiding anti-Sukarno rebels in Indonesia, a US plane is shot down by Indonesia while bombing Sumatra. US dismisses the pilot as a "soldier of fortune," but he is eventually unmasked as a CIA employee. 1980: Liberty City section of Miami erupts in riots when four cops are acquitted after killing an innocent black man in his home. 14 killed, 200 injured.

May 19. 1921: Congress sharply curtails immigration to the US, setting up a national quota system. 1997: Two international human rights workers, Mario Calderon and Elsa Alvarado, plus Alvarado's parents, are shot dead in Bogota by Colombian paramilitaries.

May 20. 1639: First American public school established, Dorchester, MA. 1969: US troops make their 11th assault in 10 days on "Hamburger Hill," finally capturing it in one of the Vietnam War's bloodiest battles. The mountain proved of little strategic value, and was abandoned 8 days later.

May 21. 1881: American Red Cross founded by Clara Barton. 1971: Members of American Indian Movement occupy Naval Air Station near Milwaukee, WI.