From Doc, Mirabel and Geppetto to Gaynor, Garland and Gaga, test your knowledge with the Saturday quiz

1 What 1883 event is said to be the loudest sound in human history?

2 Rikishi take part in which sport?

3 What film links Gaynor, Garland and Gaga?

4 Who made the “I am prepared to die” speech at the Rivonia trial?