1970 events in history

Jan 1 Unix time begins at 00:00:00 UTC/GMT
Jan 4 A magnitude 7.7 earthquake strikes Tonghai County, China, killing at least 15,000 people
Jan 7 The Punjab Legislative Council (Abolition) Act, 1969 comes into effect
Jan 12 Biafra capitulates, ending the Nigerian Civil War
Jan 15 Nigerian Civil War: After a 32-month fight for independence from Nigeria, Biafra surrenders
Jan 15 Moammar Gadhafi is proclaimed premier of Libya
Jan 16 Buckminster Fuller receives the Gold Medal award from the American Institute of Architects
Jan 22 The Boeing 747, the world's first "jumbo jet", enters commercial service for launch customer Pan American Airways with its maiden voyage from John F. Kennedy International Airport to London Heathrow Airport
Feb 18 The Chicago Seven are found not guilty of conspiring to incite riots at the 1968 Democratic National Convention
Mar 2 Rhodesia declares itself a republic, breaking its last links with the British crown
Mar 4 French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew
Mar 5 The Nuclear Non-Proliferation Treaty goes into effect after ratification by 43 nations
Mar 6 An explosion at the Weather Underground safe house in Greenwich Village kills three
Mar 10 Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes
Mar 17 My Lai Massacre: The United States Army charges 14 officers with suppressing information related to the incident
Mar 18 Lon Nol ousts Prince Norodom Sihanouk of Cambodia
Mar 18 The U.S. postal strike of 1970 begins, one of the largest wildcat strikes in U.S. history
Mar 21 The first Earth Day proclamation is issued by Mayor of San Francisco Joseph Alioto
Mar 28 Gediz earthquake: A 7.2 magnitude earthquake strikes western Turkey at about 23:05 local time, killed 1,086 and injured 1,260
Mar 31 Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit
Apr 1 President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertisements on television and radio in the United States, starting on January 1, 1971
Apr 6 Newhall Incident: Four California Highway Patrol officers are killed in a shootout
Apr 8 Bahr el-Baqar incident: Israeli bombers strike an Egyptian school. 46 children are killed
Apr 10 Paul McCartney announces that he is leaving The Beatles for personal and professional reasons
Apr 11 Apollo 13 is launched
Apr 12 Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board
Apr 13 An oxygen tank aboard Apollo 13 explodes, putting the crew in great danger and causing major damage to the spacecraft while en route to the Moon
Apr 15 During the Cambodian Civil War, massacres of the Vietnamese minority results in 800 bodies flowing down the Mekong River into South Vietnam
Apr 17 Apollo program: The ill-fated Apollo 13 spacecraft returns to Earth safely
Apr 21 The Hutt River Province Principality secedes from Australia
Apr 22 The first Earth Day is celebrated
Apr 24 The Gambia becomes a republic within the Commonwealth of Nations, with Dawda Jawara as the first President
Apr 24 The first Chinese satellite, Dong Fang Hong I, is launched
Apr 26 The Convention Establishing the World Intellectual Property Organization enters into force
Apr 28 Vietnam War: U.S. President Richard M. Nixon formally authorizes American combat troops to fight communist sanctuaries in Cambodia
Apr 29 Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong
May 1 Protests erupt in Seattle, following the announcement by U.S. President Richard Nixon that U.S. Forces in Vietnam would pursue enemy troops into Cambodia, a neutral country
May 4 Vietnam War: Kent State shootings: the Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the United States' invasion of Cambodia
May 8 The Hard Hat Riot occurs in the Wall Street area of New York City as blue-collar construction workers clash with demonstrators protesting the Vietnam War
May 9 Vietnam War: In Washington, D.C., 75,000 to 100,000 war protesters demonstrate in front of the White House
May 10 Bobby Orr scores "The Goal" to win the 1970 Stanley Cup Finals, for the Boston Bruins' fourth NHL championship in their history
May 11 The Lubbock Tornado, a F5 tornado, hits Lubbock, Texas, killing 26 and causing $250 million in damage
May 14 The Red Army Faction is established in West Germany
May 15 Philip Lafayette Gibbs and James Earl Green are killed at Jackson State University by police during student protests
May 15 President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington the first female United States Army Generals
May 17 Thor Heyerdahl sets sail from Morocco on the papyrus boat Ra II to sail the Atlantic Ocean
May 24 The drilling of the Kola Superdeep Borehole begins in the Soviet Union
May 26 The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2
May 31 The Ancash earthquake causes a landslide that buries the town of Yungay, Peru; more than 47,000 people are killed
Jun 4 Tonga gains independence from the United Kingdom