March 3 – Turkish Airlines Flight 981, travelling from Paris to London, crashes in the woods near Paris, killing all 346 aboard. This is the deadliest single aircraft accident with no survivors. March 4 – Following a hung parliament in the United Kingdom general election, Conservative prime minister Edward Heath resigns and is succeeded by Labour's Harold Wilson, who previously led the country from 1964 to 1970. March 18 In West Germany, the Bundestag passes the Bundes-Immissionsschutzgesetz ("Federal Emission Control Act"). End of five-month oil embargo by most OPEC nations against the United States, Europe, and Japan which had caused the 1973 oil crisis. March 26 – A group of peasant women in Chamoli district, Uttarakhand, India, use their bodies to surround trees to prevent loggers from felling them, giving rise to the Chipko movement. March 29 The Terracotta Army of Qin Shi Huang is discovered at Xi'an, China. Launch of the Volkswagen Golf in West Germany, a modern front-wheel drive hatchback which is expected to replace the iconic Volkswagen Beetle, holder of the world record for the car with the most units produced. April 3–4 – An enormous tornado outbreak strikes the central parts of the United States, killing around 319 and injuring about 5,484. April 5 – Carrie, the debut novel by Stephen King, is published. April 6 – Swedish pop group ABBA's song "Waterloo" wins the 1974 Eurovision Song Contest in Brighton, England, UK. April 8 – In Atlanta–Fulton County Stadium, Henry "Hank" Aaron hits his 715th home run, surpassing Babe Ruth as the all-time home run king. April 11 – The Kiryat Shmona massacre takes place in Israel. April 24 – Guillaume Affair: exposure of an East German spy Günter Guillaume within the West German government, leading to the resignation of West German Chancellor Willy Brandt."Aide to Willy Brandt arrested for spying", Observer–Reporter no. 7499, April 26, 1974, A5. April 25 – Carnation Revolution: A left-wing military coup in Portugal restores democracy, ending 41 years of the Estado Novo dictatorship in the country. Portuguese Prime Minister Marcelo Caetano flees to Brazil and is granted political asylum by Brazilian President Ernesto Geisel.
March 3 – Turkish Airlines Flight 981 travelling from Paris to London crashes in the woods near Paris killing all 346 aboard This is the deadliest single aircraft accident with no survivors March 4 – Following a hung parliament in the United Kingdom general election Conservative prime minister Edward Heath resigns and is succeeded by Labour's Harold Wilson who previously led the country from 1964 to 1970 March 18 In West Germany the Bundestag passes the Bundes-Immissionsschutzgesetz ("Federal Emission Control Act") End of five-month oil embargo by most OPEC nations against the United States Europe and Japan which had caused the 1973 oil crisis March 26 – A group of peasant women in Chamoli district Uttarakhand India use their bodies to surround trees to prevent loggers from felling them giving rise to the Chipko movement March 29 The Terracotta Army of Qin Shi Huang is discovered at Xi'an China Launch of the Volkswagen Golf in West Germany a modern front-wheel drive hatchback which is expected to replace the iconic Volkswagen Beetle holder of the world record for the car with the most units produced April 3–4 – An enormous tornado outbreak strikes the central parts of the United States killing around 319 and injuring about 5484 April 5 – Carrie the debut novel by Stephen King is published April 6 – Swedish pop group ABBA's song "Waterloo" wins the 1974 Eurovision Song Contest in Brighton England UK April 8 – In Atlanta–Fulton County Stadium Henry "Hank" Aaron hits his 715th home run surpassing Babe Ruth as the all-time home run king April 11 – The Kiryat Shmona massacre takes place in Israel April 24 – Guillaume Affair exposure of an East German spy Günter Guillaume within the West German government leading to the resignation of West German Chancellor Willy Brandt"Aide to Willy Brandt arrested for spying" Observer–Reporter no 7499 April 26 1974 A5 April 25 – Carnation Revolution A left-wing military coup in Portugal restores democracy ending 41 years of the Estado Novo dictatorship in the country Portuguese Prime Minister Marcelo Caetano flees to Brazil and is granted political asylum by Brazilian President Ernesto Geisel