3, attracting 100,000 participants. The festival, arranged by the People's Army Jamboree (an ad hoc group) and Oregon governor Tom McCall, was set up when the FBI told the governor that President Nixon's planned appearance at an American Legion convention in Portland could lead to violence worse than that seen at the 1968 Democratic National Convention in Chicago. The Chicano Moratorium: on August 29, some 25,000 Mexican-Americans participated in the largest anti-war demonstration in Los Angeles. Police attacked the crowd with billyclubs and tear gas; two people were killed. Immediately after the marchers were dispersed, sheriff's deputies raided a nearby bar, where they shot and killed Rubén Salazar, KMEX news director and Los Angeles Times columnist, with a tear-gas projectile. 1971 and after On April 23, 1971, Vietnam veterans threw away over 700 medals on the West Steps of the Capitol building. The next day, antiwar organizers claimed that 500,000 marched, making this the largest demonstration since the November 1969 march. Two weeks later, on May 5, 1971, 1146 people were arrested on the Capitol grounds trying to shut down Congress. This brought the total arrested during the 1971 May Day Protests to over 12,000. Abbie Hoffman was arrested on charges of interstate travel to incite a riot and assaulting a police officer. In August 1971, the Camden 28 conducted a raid on the Camden, New Jersey draft board offices. The 28 included five or more members of the clergy, as well as a number of local blue-collar workers. Beginning December 26, 1971, 15 anti-war veterans occupied the Statue of Liberty, flying a US flag upside down from her crown. They left on December 28, following issuance of a Federal Court order. Also on December 28, 80 young veterans clashed with police and were arrested while trying to occupy the Lincoln Memorial in Washington, D.C. On March 29, 1972, 166 people, many of them seminarians, were arrested in Harrisburg, Pennsylvania for encircling the Federal Courthouse with a chain, to protest the trial of the Harrisburg Seven. On April 19, 1972, in response to renewed escalation of bombing, students at many colleges and universities around the country broke into campus buildings and threatened strikes. The following weekend, protests were held in Los Angeles, New York City, San Francisco, and elsewhere. On May 13, 1972, protests again spread across the country in response to President Nixon's decision to mine harbors in North