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Events on Thursday 5 June 1975 2
1916 – 1975Paul KeresEstonian chess legendPaul Keres was among the strongest players never to become World Champion. He remained a world-class competitor across several decades and narrowly missed a World Championship match five times.
1975United Kingdom holds referendum on EEC membershipBritish voters back staying in the Common MarketOn 5 June 1975 the United Kingdom held its first-ever nationwide referendum, asking voters whether Britain should remain in the European Economic Community. Roughly two-thirds voted to stay, confirming membership secured under Prime Minister Edward Heath in 1973. It would be more than four decades before the UK held another referendum on its European ties.