about 700 veterans throwing away their medals and other recognition for Vietnam service. A USAF F-111E, 67-0117, from Edwards AFB, California, crashed in the Mojave Desert during a test flight; both the pilot, Major James W. Hurt, 34, and co-pilot WSO Major Robert J. Furman, 31, of New York City, were killed when the parachute on the escape module failed to open until just before ground impact. The Shangri-La Hotel, now the prime luxury resort in Singapore and site of diplomatic summits, opened for the first time. Among the historic events it would later host would be the meeting between the leaders of the People's Republic of China and of Taiwan in 2015. The Rolling Stones' album Sticky Fingers was released. April 24, 1971 (Saturday) At least 200,000 people in Washington, D.C. and 125,000 in San Francisco marched in protest against the Vietnam War. The Soyuz 10 cosmonauts made the first ever attempt by a spacecraft to dock with a space station, achieving a partial docking with Salyut 1 at 01:47 UTC (4:47 a.m. Moscow time). For the next five and a half hours, the Soyuz 10 crew tried to complete the docking so that they could form the secure airlock necessary to safely board the station, then spent more time trying to extricate the Soyuz craft so that it could return to Earth. One of the least successful musicals in Broadway history, Frank Merriwell, or Honor Unchallenged opened at the Longacre Theatre and closed the same evening. The critics' reviews the next day, which both noted that the show had closed after its single performance, and included comments like "the music is the least admirable aspect of a modestly deplorable adventure" and "all too forgettable" and "incredibly silly" and "there is no trace of imagination". David Lewis was elected to succeed Tommy Douglas as leader of Canada's third major party (after the Liberals and the Conservatives), the New Democratic Party (NDP). Born: Alejandro Fernández, Mexican singer, in Guadalajara April 25, 1971 (Sunday) The 1971 United Kingdom census was taken. Final results showed the population of the UK to be 55,573,956 people, of whom 45,879,670 were from England; 5,228,963 from Scotland; 2,724,275 from Wales; 1,536,065 from Northern Ireland; and 174,983 from the Channel Islands and the Isle of Man. By mutual agreement, the exclusive 1914 lease by the United States of Nicaragua's Corn Islands (Las Islas del Maíz) was terminated.