October 10 - The Windscale fire begins with a fire in a graphite core of a reactor at the Windscale Nuclear Power station and reprocessing centre in Cumbria, Northern England, now known as Sellafield. Years later there are claims that the radiation caused cancers and birth defects in Co. Louth
November 1 - The Soviet satellite Sputnik is visible over Dublin for the second time in a month.
May 12 - The Pike Theatre in Dublin stages the Tennessee Williams play The Rose Tattoo. After a short run the theatre is invaded by Gardai and director Alan Simpson arrested for producing "a lewd entertainment" for a mime of dropping a condom onto the floor.[3]
Sport
Football
19 May - Republic of Ireland 1 - 1 England (at Dalymount Park), after England grab a last minute equaliser to silence the 50,000 strong home support.