On 26 January 1972 four Aboriginal men began a protest outside Parliament House in Canberra, Australia. They erected a beach umbrella on the grass and called it an 'embassy'.
Plus, the murder of five lawyers in Madrid in 1977, which became a turning point in Spain's return to democracy; the invention of the microwave oven; Roald Dahl's Charlie and the Chocolate Factory; and 75 years of the BBC's longest-running programme, Desert Island Discs.