WHAT ALL HAPPENED MARCH TO APRIL 1970
Find out what all happened March to April 1970

Lon Nol ousted Prince Norodom Sihanouk of Cambodia. (18. March 1970)

The Convention Establishing the World Intellectual Property Organization enters into force. (26. April 1970)

Soviet submarine K-8, carrying four nuclear torpedoes, sinks in the Bay of Biscay four days after a fire on board. (12. April 1970)

The Nuclear Non-Proliferation Treaty goes into effect after ratification by 43 nations. (5. March 1970)

Vietnam War: U.S. President Richard M. Nixon formally authorizes American combat troops to fight communist sanctuaries in Cambodia. (28. April 1970)

Bahr el-Baqar incident: Israeli bombers strike an Egyptian school. 46 children are killed. (8. April 1970)

Paul McCartney announces that he is leaving The Beatles for personal and professional reasons. (10. April 1970)

Newhall Incident: Four California Highway Patrol officers are killed in a shootout. (6. April 1970)

French submarine Eurydice explodes underwater, resulting in the loss of the entire 57-man crew. (4. March 1970)

The first Earth Day is celebrated. (22. April 1970)

Nine terrorists from the Japanese Red Army hijack Japan Airlines Flight 351 at Tokyo International Airport, wielding samurai swords and carrying a bomb. (31. March 1970)

Explorer 1 re-enters the Earth's atmosphere after 12 years in orbit. (31. March 1970)

Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong. (29. April 1970)

The first Earth Day proclamation is issued by Mayor of San Francisco Joseph Alioto. (21. March 1970)

Apollo 13 is launched. (11. April 1970)

The first Chinese satellite, Dong Fang Hong I, is launched. (24. April 1970)

Gediz earthquake: A 7.2 magnitude earthquake strikes western Turkey at about 23:05 local time, killed 1,086 and injured 1,260. (28. March 1970)

Vietnam War: Captain Ernest Medina is charged by the U.S. Military with My Lai war crimes. (10. March 1970)

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. (1. April 1970)

The U.S. postal strike of 1970 begins, one of the largest wildcat strikes in U.S. history. (18. March 1970)