Tim Costello, Australian minister and politician
Timothy Ewen Costello AO (born 4 March 1955) is an Australian Baptist minister who was the Chief Executive Officer and Chief Advocate of World Vision Australia. Costello worked as a lawyer and served as mayor of St Kilda. He has authored a number of books on faith and life. A National Trust poll in 2014 elected him one of Australia's 100 national living treasures.

1955Mar, 4
Tim Costello
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Events on 1955
- 7Jan
Metropolitan Opera
Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera. - 13Feb
Dead Sea Scrolls
Israel obtains four of the seven Dead Sea Scrolls. - 18Feb
Nevada Test Site
Operation Teapot: Teapot test shot "Wasp" is successfully detonated at the Nevada Test Site with a yield of 1.2 kilotons. Wasp is the first of fourteen shots in the Teapot series. - 14May
Warsaw Pact
Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact. - 11Jun
1955 Le Mans disaster
Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.