* 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 – 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 ).

Returning to the United States in December 1968, Jones was assigned to Marine Corps Base Camp Pendleton, California, where he served as a company commander until May 1970.

In California, a nolo contendere plea is known as a West plea after a seminal case involving plea bargains, People v. West ( 1970 ) 3 Cal. 3d 595.

* 1970 – Genie, a 13-year-old feral child is found in Los Angeles, California having been locked in her bedroom for most of her life.

Merkle graduated from Livermore High School in 1970 and proceeded to study computer science at the University of California, Berkeley, obtaining his B. A.

In 1970, team also studied the same reaction with oxygen-18 and identified < sup > 261 </ sup > Rf with a half-life of 65 seconds ( later refined to 75 seconds ).< ref name = 70Gh01 > Later experiments at the Lawrence Berkeley National Laboratory in California also revealed the formation of a short-lived isomer of < sup > 262 </ sup > Rf ( which undergoes spontaneous fission with a half-life of 47 ms ), and spontaneous fission activities with long lifetimes tentatively assigned to < sup > 263 </ sup > Rf.

Also in 1970, Sharp curated “ Body Works ,” an exhibition of video works by Vito Acconci, Terry Fox, Richard Serra, Keith Sonnier, Dennis Oppenheim and William Wegman which was presented at Tom Marioni's Museum of Conceptual Art, San Francisco, California.

* January 28 – A blow-out on Union Oil's Platform spills 80, 000 to 100, 000 barrels of crude oil into a channel and onto the beaches of Santa Barbara County in Southern California inspiring Wisconsin Senator Gaylord Nelson to organize the first Earth Day in 1970

* Liberation Army Revolutionary Group Organizations, a revolutionary group formed in California in 1970.

He joined the University of California, Berkeley, mathematics department in 1966 as an Assistant Professor, and stayed there until 1970 when he was denied reappointment.

In 1970 he left North American Aviation to start his own company, Statek, in Orange, California.

Prior to joining the BPP, Shakur had met several of its members on a 1970 trip to Oakland, California.

She was tried and acquitted of suspected involvement in the Soledad brothers ' August 1970 abduction and murder of Judge Harold Haley in Marin County, California.

On August 7, 1970 Jonathan Jackson, a heavily armed, 17-year-old African American high school student, gained control over a courtroom in Marin County, California.

D & RGW locomotive on the next to last run of the California Zephyr, March 21, 1970, at Salt Lake City.

The first emergency medicine residency program in the world was begun in 1970 at the University of Cincinnati and the first Department of Emergency Medicine at a U. S. medical school was founded in 1971 at the University of Southern California.

The first permanent HOV facility in California was the bypass lane at the San Francisco-Oakland Bay Bridge toll plaza, opened to the public in April 1970.

* 1970 – In response to increasingly stringent federal emission standards that would ultimately lead to mandating of unleaded gasoline in 1975 and later-model cars and trucks, Texaco introduced Lead-free Texaco as the first regular-octane lead-free gasoline at stations in the Los Angeles area and throughout Southern California.

They divorced in 1929, after O ' Neill abandoned Boulton and the children for the actress Carlotta Monterey ( born San Francisco, California, December 28, 1888 ; died Westwood, New Jersey, November 18, 1970 ).