* 1970 – Newhall Incident: Four California Highway Patrol officers are killed in a shootout.

* 1970 – Olaf Kölzig, African-German hockey player

* 1970 – Roy Mayorga, American drummer ( Stone Sour, Soulfly, Amebix, Black President, and Nausea )

* 1970 – Huang Xiaomin, Chinese swimmer

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

* 1970 – Sylvain Bouchard, Canadian speed skater

* 1908 – Bjarni Benediktsson, Icelandic politician, Prime Minister of Iceland ( d. 1970 )

* 1899 – Byron Foulger, American actor ( d. 1970 )

* 1970 – Andy Bichel, Australian cricketer

* 1970 – Peter Ebdon, English snooker player

* 1970 – Mark Ilott, English cricketer

* 1970 – Tony Kanal, English-American bass player, songwriter, and producer ( No Doubt )

* 1970 – Jeff Kenna, Irish footballer

* 1970 – Park Myeong-su, South Korean comedian and singer

* 1970 – Jim Thome, American baseball player

* 1970 – Karl Unterkircher, Italian mountaineer ( d. 2008 )

* 1891 – William Slim, 1st Viscount Slim, English general, 13th Governor-General of Australia ( d. 1970 )

* 1904 – Jean Dessès, Greek-Egyptian fashion designer ( d. 1970 )

* 1916 – Richard Hofstadter, American historian ( d. 1970 )

* 1970 – M. Night Shyamalan, Indian-American director, screenwriter, and producer

* 1970 – Erwin Thijs, Belgian cyclist

* 1970 – Rod Brind ' Amour, Canadian ice hockey player

* 1970 – Christopher Cuomo, American journalist

* 1970 – Thomas Lennon, American actor

* 1914 – Luis Mariano, Spanish tenor ( d. 1970 )

* 1970 – Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.

* 1970 – Vietnam War: U. S. President Richard M. Nixon formally authorizes American combat troops to fight communist sanctuaries in Cambodia.

* 1970 – Chicano Moratorium against the Vietnam War, East Los Angeles, California.

His command positions included: commanding officer of a platoon and two rifle companies during two tours of duty in Vietnam ; commanding officer of Special Training Branch and Recruit Series at Marine Corps Recruit Depot San Diego, California ( 1966 – 1968 ); commanding officer of Counter-Guerilla Warfare School, Northern Training Area on Okinawa ( 1970 ), Company officer at the United States Naval Academy ( 1970 – 1973 ); commanding officer of the Marine Barracks at Naval Air Station North Island, California ( 1973 – 1976 ), and commanding officer, 3rd Battalion 3rd Marines ( 1983 – 1985 ).

During the late 1960s and early 1970s, the university was known internationally for its student activism in opposition to US involvement in the Vietnam war, due mainly to the events of May 4, 1970.

* During the war between the United States and North Vietnam, Vice President Spiro Agnew accused newspapers of anti-American bias, and in a famous speech delivered in San Diego in 1970, called anti-war protesters " the nattering nabobs of negativism.

* 1970 – 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.

* 1970 – 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.

* 1970 – Vietnam War: In Washington, D. C., 75, 000 to 100, 000 war protesters demonstrate in front of the White House.

This version remained the primary infantry rifle of U. S. forces in South Vietnam until the end of the war in 1973, and remained with all U. S. military ground forces after it had replaced the M14 service rifle in 1970 in CONUS, Europe ( Germany ), and South Korea ; when it was supplemented by the M16A2.

* 1970 – Vietnam War: The Supreme Court of the United States votes 6 to 3 against hearing a case to allow Massachusetts to enforce its law granting residents the right to refuse military service in an undeclared war.

* 1970 – Vietnam War: The United States Military Assistance Command in Vietnam reports the lowest weekly American soldier death toll in five years ( 24 ).

* 1970 – Vietnam War: Operation Ivory Coast – A joint Air Force and Army team raids the Son Tay prison camp in an attempt to free American prisoners of war thought to be held there.

* 1970 – Vietnam War: Vietnamization – For the first time in five years, an entire week ends with no reports of American combat fatalities in Southeast Asia.

* 1970 – Vietnam War: Lieutenant William Calley goes on trial for the My Lai Massacre.

* 1970 – Vietnam War: Vietnamization – The United States turns control of the Binh Thuy Air Base in the Mekong Delta over to South Vietnam.

* 1970 – In Vietnam, the worst monsoon to hit the area in six years causes large floods, kills 293, leaves 200, 000 homeless and virtually halts the Vietnam War.

* 1970 – Vietnam War: US President Richard Nixon announces that the United States will withdraw 40, 000 more troops before Christmas

* 1970 – Vietnam War: In Paris, a Communist delegation rejects US President Richard Nixon's October 7 peace proposal as " a maneuver to deceive world opinion ".

He served two tours in Vietnam ( from 1968 to 1970 ) with the United States Army as a helicopter gunner.