SR-71 averaged or Mach 1.86. A Muslim unit of the Pakistani Army, commanded by Abdul Alim, carried out the massacre of 370 Hindu villagers in five villages in the Joypurhat District of East Pakistan (now Bangladesh). In succession, troops looted and burned houses in Karai Kadipur, Chakpara, Sonarpara, Jogipara and Palpara and then lined up civilian men and women and shot them. The International War Crimes Tribunal would bring charges against Alim 40 years later. MV Ostrich, a ship of the Bangladeshi Provisional Government, was sunk by Pakistan Air Force F-86 Sabre aircraft. The government of Turkey declared a state of siege in 11 provinces, including Ankara, because of violent protest demonstrations. The British government approved a plan for a Thames Estuary Airport, near Foulness Island, to serve as London's third major airport, after Heathrow and Gatwick, despite its distance from the city. A 50-member U.S. Presidential Commission, chaired by Henry Cabot Lodge, issued a report recommending that the United States drop further opposition to Communist China's admission into the United Nations, but also advised that the U.S. should oppose the dismissal of Nationalist China (Taiwan) from the UN. "However difficult the People's Republic of China's membership in the U.N. might become," Lodge wrote, "the commission believes there is more hope for peace in its interaction in the organization than in its continued isolation from the U.N., and from the United States." Died: Ted Studebaker, 26, U.S. pacifist and Christian missionary in rural South Vietnam, executed by North Vietnamese troops who had invaded the village of Di Linh in the Lam Dong province. April 27, 1971 (Tuesday) Park Chung-hee was re-elected as President of South Korea with 53% of the vote over Kim Dae-jung. Pakistani Army troops and militia of the Convention Muslim League faction, led by Kazi Abdul Kader, carried out the murder of 300 Hindu civilians who had gathered at the marketplace in the village of Kaliganj village in what is now Bangladesh's Jaldhaka district, as the refugees were preparing to cross the border to safety in India. Voters in predominantly African-American neighborhoods elected in a referendum to incorporate the city of North Charleston, South Carolina. Court suits challenging the referendum would delay the incorporation of the city until June 12, 1972. North Charleston, with a roughly 58% black and Hispanic population, contrasts with 69% white Charleston. Hank Aaron of the Atlanta Braves baseball team became only the