24 December 1974

Cyclone Tracy devastates Darwin, Australia. Cyclone Tracy was a devastating tropical cyclone that struck Darwin, Australia, on December 24–25, 1974. It remains one of the…

16 November 1974

The Arecibo message is broadcast from Puerto Rico. The Arecibo Message is a radio signal sent into space on November 16, 1974, from the Arecibo…

1 June 1974

The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine. The Heimlich maneuver is an emergency procedure used to treat upper…

30 May 1974

The Airbus A300 passenger aircraft first enters service. The Airbus A300 is a prominent aircraft in the history of aviation as it was the first…

24 November 1974

Donald Johanson and Tom Gray discover the 40% complete Australopithecus afarensis skeleton, nicknamed “Lucy” (after The Beatles song “Lucy in the Sky with Diamonds”), in…

28 May 1974

Northern Ireland’s power-sharing Sunningdale Agreement collapses following a general strike by loyalists. The Sunningdale Agreement was a significant political accord signed on December 9, 1973,…

5 October 1974

Bombs planted by the PIRA in pubs in Guildford kill four British soldiers and one civi

1 June 1974

The Heimlich maneuver for rescuing choking victims is published in the journal Emergency Medicine

8 March 1974

Charles de Gaulle Airport opens in Paris, France. [rdp-wiki-embed url=’https://en.wikipedia.org/wiki/Charles_de_Gaulle_Airport’]

8 December 1974

A plebiscite results in the abolition of monarchy in Greece. [rdp-wiki-embed url=’https://en.wikipedia.org/wiki/1974_Greek_republic_referendum’]