EU Referendum: Forty years on, what can 1975 teach us?

The EU referendum will be the second time that the British public have been called upon to vote on the UK's participation in Europe.

Exactly forty years ago 67% of British voters said yes to the question "Do you think the UK should stay in the European Community (Common Market)?"

The BBC's Tim Muffett meets with historian Dr. Robert Saunders to look back at the archive to see if any lessons can be learnt.