1948 1949 1950 1951 1952 1953 1954 1955 1956 1957   British headmasters criticise new GCE exams, standard is too high for some pupils King George VI dies; Elizabeth proclaimed Queen on her return from Kenya The Commons votes for equal pay for women doing the same jobs as men Eva Peron, controversial first lady of Argentina, dies Thirty-one die in a flash flood at Lynmouth, Devon Britain''s first atomic weapon successfully exploded in a secret test in the Monte Belloislands, off the north-west coast of Australia Agatha Christie's The Mousetrap opens in London Derek Bentley, 19, hangs for the murder of PC Sidney Miles, although his accomplice fired the shots     Copyright © 1998, NHS