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23 Apr 1968: Decimal coins reach the high street

New coins make their way into UK purses to replace pounds, shillings and pence by 1971.

• 1 min

24 Apr 1990: Hubble Telescope takes off for space

Nasa launches the world’s first space-based optical telescope from Cape Canaveral.

• 2 mins

25 Apr 1953: Scientists describe 'secret of life'

Cambridge University scientists discover the double helix structure of DNA.

• 3 mins

26 Apr 1975: Labour votes to leave the EEC

Party members vote by almost 2-1 to leave the European Economic Community.

• 2 mins

27 Apr 1992: Betty Boothroyd elected new Speaker

‘Elect me for what I am, and not for what I was born.’

• 2 mins

28 Apr 1993: Sega’s Night Trap raises moral panic

MP Dame Jill Night says these games teach children ’to maim, to murder and to mutilate.’

• 2 mins

29 Apr 1993: Queen to open Palace doors

The public can visit inside of Buckingham Palace for the first time for a fee of £8.

• 2 mins

30 Apr 1952: Anne Frank diary published in English

‘In a certain way, through her diary, she is living on in many hearts,’ says Otto Frank.

• 2 mins