* 1955 – Rob Epstein, American filmmaker and journalist

* 1955 – Keith Hunter Jesperson, Canadian serial killer

* 1955 – Cathy Jones, Canadian comedian

* 1955 – Blind Mississippi Morris, American blues musician

* 1955 – Michael Rooker, American actor

* 1955 – The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.

* 1955 – Nicolas Hulot, French journalist

* 1955 – Dimitra Liani, Greek air hostess, widow of Greek Prime Minister Andreas Papandreou

* 1955 – Laura Fygi, Dutch singer

* 1955 – Robert Richardson, American cinematographer

* 1955 – Diana Scarwid, American actress

* 1956 – After going bankrupt in 1955, the American broadcaster DuMont Television Network makes its final broadcast, a boxing match from St. Nicholas Arena in New York in the Boxing from St. Nicholas Arena series.

* 1868 – Paul Claudel, French poet ( d. 1955 )

* 1881 – Alexander Fleming, Scottish scientist, Nobel Prize laureate ( d. 1955 )

* 1955 – Gregory Bryant-Bey, American convicted murderer ( d. 2008 )

* 1955 – Rusty Magee, American composer ( d. 2003 )

* 1955 – Peter Schmuck, American columnist

* 1955 – John E. Sweeney, American politician

* 1955 – Keith Ahlers, English race car driver

* 1955 – Hideo Fukuyama, Japanese race car driver

* 1955 – Paul Greengrass, English director

* 1865 – John Radecki, Australian artist ( d. 1955 )

* 1955 – Caleb Carr, American author and historian

* 1955 – Tim Dunigan, American actor

* 1955 – Tony Godden, English footballer

The radio emission of a planet was first detected in 1955, when Burke and Franklin ( 1955 ) identified the origin of interference-like radio noise on their records at about 15 meters wave length as emission from Jupiter.

The first sampling census in the Congo extended over a three-year period, 1955 - 57 ; ;

The first time was in 1955 when a full-dress Big Four summit meeting produced the `` spirit of Geneva ''.

Atomic timekeeping services started experimentally in 1955, using the first caesium atomic clock at the National Physical Laboratory, UK ( NPL ).

In 1969, Karpov became the first Soviet player since Spassky ( 1955 ) to win the World Junior Chess Championship, scoring an undefeated 10 / 11 in the finals at Stockholm.

* 1955 – Tokyo Telecommunications Engineering, the precursor to Sony, sells its first transistor radios in Japan.

* 1955 – 29 nations meet at Bandung, Indonesia, for the first Asian-African Conference.

They started playing together as a duo, formed the influential London Blues and Barrelhouse Club in 1955, and made their first record together in 1957.

It was first tested as RDS-37 in 1955.

The Nobel Prize winning novelist Patrick White named his 1955 novel The Tree of Man also after a line in " On Wenlock Edge " and Arthur C. Clarke's first novel, Against the Fall of Night, is taken from a work in Housman's More Poems.

The first benzodiazepine, chlordiazepoxide ( Librium ), was discovered accidentally by Leo Sternbach in 1955, and made available in 1960 by Hoffmann – La Roche, which has also marketed diazepam ( Valium ) since 1963.

The Eastern leaders retaliated against these steps by integrating the economies of their nations in Comecon, their version of the Marshall Plan ; exploding the first Soviet atomic device in 1949 ; signing an alliance with People's Republic of China in February 1950 ; and forming the Warsaw Pact, Eastern Europe's counterpart to NATO, in 1955.

* The Cone Gatherers, a novel by the Scottish writer Robin Jenkins, first published in 1955

In 1958, while still in Singapore, Parkinson published his most famous work Parkinson's Law, a book that expanded upon a humorous article that he had first published in the Economist magazine in November 1955, satirizing government bureaucracies.

Attlee came first in both the first and second ballots, and subsequently retained the leadership, a post which he would keep until 1955.

Post-World War II Japan has historically been dominated by the Liberal Democratic Party but there was a brief coalition government formed after the 1993 election following LDP's first loss of its overall House of Representatives majority since 1955.

1955 saw Cessna's first helicopter, the Cessna CH-1, receive FAA type certification.

Cleveland won the league championship in its first NFL season, followed by two more in 1954 and 1955.

The award was first introduced in 1956 by Baseball Commissioner Ford Frick in honor of Hall of Fame pitcher Cy Young, who died in 1955.

The Cy Young Award was first introduced in 1956 by Commissioner of Baseball Ford Frick in honor of Hall of Fame pitcher Cy Young, who died in 1955.

Although first introduced by Hebert Candies in 1955, Mars, Incorporated was the first to produce white chocolate within the United States.

Chelsea had their first major success in 1955, when they won the league championship, and won various cup competitions during the 1960s, 1970s, 1990s and 2000s.