| 3rd January 1970 | The Beatles give their final studio performance. |
| 20th January 1970 | The Greater London Council announces plans for the Thames Barrier at Woolwich, to prevent flooding. The barrier opens in 1981. |
| 21st January 1970 | Five lifeboat men are killed when the Fraserburgh lifeboat ‘Duchess of Kent’ capsizes during a rescue off Kinnaird's Head in Aberdeenshire. |
| 14th February 1970 | The iconic live album “The Who: Live at Leeds” is recorded. |
| 12th March 1970 | Teenagers in the United Kingdom vote for the first time, in a by-election in Bridgwater. |
| 21st March 1970 | "All Kinds of Everything", sung by Dana, wins the 1970 Eurovision Song Contest for Ireland. |
| 25th March 1970 | The Concorde makes its first supersonic flight. |
| 10th April 1970 | Paul McCartney announces that the Beatles have disbanded and talks about the impending release of his first solo album. |
16th April 1970 | The National Westminster Bank begins trading in the United Kingdom. It had been established in 1968 following the merger of the National Provincial Bank and the Bank of Westminster. |
| 18th June 1970 | The Conservative Party wins the 1970 general election and Edward Heath becomes Prime Minister. |
| 21st June 1970 | Brazil defeats Italy 4-1 to win the 1970 FIFA World Cup. |
| 21st July 1970 | The Aswan High Dam in Egypt is completed. |
| 26-30th August 1970 | The Isle of Wight Festival takes place on East Afton Farm off the coast of England. 600,000 people attend the event, making it the largest rock festival of all time. Artists include Jimi Hendrix, The Who, The Doors, Chicago, Richie Havens, John Sebastian, Joan Baez, Ten Years After, Emerson, Lake & Palmer and Jethro Tull. |
| 18th September 1970 | Jimi Hendrix dies by choking on his own vomit, after falling unconscious due to a barbiturate overdose. He is in London at the time. |
| 30th October 1970 | The worst monsoon to hit Vietnam in six years causes large floods, killing 293 people and leaving 200,000 homeless. The terrible weather virtually halts the Vietnam War. |
| 4th November 1970 | Social workers in Los Angeles take custody of ‘Genie‘, a thirteen-year-old girl who had been kept in solitary confinement since her birth. |
| 15th December 1970 | The USSR's ‘Venera 7’ becomes the first spacecraft to land successfully on Venus and transmit data back to Earth. |