Tokyo to Fukuoka, is hijacked by Japanese Red Army members. All passengers and crew are eventually freed. April April 4 – Fragments of burnt human remains believed to be those of Adolf Hitler, Eva Braun, Joseph Goebbels, Magda Goebbels and the Goebbels children are crushed and scattered in the Biederitz river at a KGB center in Magdeburg, East Germany. April 8 A huge gas explosion at a subway construction site in Osaka, Japan, kills 79 and injures over 400. Israeli Air Force F-4 Phantom II fighter bombers kill 47 Egyptian school children at an elementary school in what is known as Bahr el-Baqar massacre. The single-floor school is hit by five bombs and two air-to-ground missiles. April 10 – In a press release written in mock-interview style, that is included in promotional copies of his first solo album, Paul McCartney announces that he has left The Beatles. April 11 An avalanche at a tuberculosis sanatorium in the French Alps kills 74, mostly young boys. Apollo program: Apollo 13 (Jim Lovell, Fred Haise, Jack Swigert) is launched toward the Moon. April 13 – An oxygen tank in the Apollo 13 spacecraft explodes, forcing the crew to abort the mission and return in four days. April 17 – Apollo program: Apollo 13 splashes down safely in the Pacific. April 21 – The Principality of Hutt River "secedes" from Australia (it remains unrecognised by Australia and other nations). April 24 – China's first satellite (Dong Fang Hong 1) is launched into orbit using a Long March-1 Rocket (CZ-1). April 26 – The World Intellectual Property Organization (WIPO) is founded. May May 4 – Kent State shootings: Four students at Kent State University in Ohio, USA are killed and nine wounded by Ohio National Guardsmen, at a protest against the incursion into Cambodia. May 6 Arms Crisis in the Republic of Ireland: Charles Haughey and Neil Blaney are dismissed as members of the Irish Government, for accusations of their involvement in a plot to import arms for use by the Provisional IRA in Northern Ireland. Feyenoord wins the European Cup after a 2–1 win over Celtic. May 14 Ulrike Meinhof helps Andreas Baader escape and create the Red Army Faction in West Germany which exists until 1998. In the second day of violent demonstrations at Jackson State University in Jackson, Mississippi, state law enforcement officers fire into the demonstrators, killing 2 and injuring 12.