1. The Pony Express began on 3 April 1860, carrying mail between St. Joseph, Missouri, and which Californian city?

2. On 3 April 1882, the outlaw Jesse James was shot in the back of the head by Robert Ford, a member of his own gang. What was James reportedly doing at the time?

3. On 3 April 1973, Martin Cooper of Motorola made the first public call from a handheld mobile phone, on a New York street. Whom did he cheekily ring?

4. On 3 April 1948, President Truman signed the Marshall Plan into law. What was its official name?

5. On 3 April 1922, Joseph Stalin was appointed General Secretary of the Soviet Communist Party. Whose secret "testament" later warned that he should be removed from the post?

6. On 3 April 1996, the "Unabomber", Ted Kaczynski, was arrested at his remote cabin. In which US state?

7. On 3 April 2010, Apple released which product, its first tablet computer?

8. On 3 April 1895, Oscar Wilde's libel case against the father of his lover, Lord Alfred Douglas, opened at the Old Bailey. Who was the father, giving his title?

9. On 3 April 1913, Emmeline Pankhurst was sentenced to three years in prison for a bomb attack on a house being built for which senior politician?

10. On 3 April 1933, two biplanes made the first flight over Mount Everest. Which British aircraft maker built them?

11. Edward the Confessor was crowned on 3 April 1043. Which great London church did he rebuild, and was buried in?

12. An American writer born on 3 April 1783 created the Headless Horseman. In which story?

13. An American singer and actress born on 3 April 1922 introduced the Oscar-winning song "Que Sera, Sera" in which Alfred Hitchcock film?

14. A British primatologist born on 3 April 1934 began studying chimpanzees at Gombe Stream in 1960. In which country is Gombe?

15. A German chancellor born in Ludwigshafen on 3 April 1930 held the office for how many years, longer than anyone since Bismarck?

16. An American comedian born on 3 April 1961 played the Detroit cop Axel Foley in which film series?

17. An American actor born on 3 April 1958 played the network executive Jack Donaghy in which sitcom?

18. A British singer born on 3 April 1985 won "The X Factor" in 2006. Which of her singles was a number one in both the UK and the US?

19. Johannes Brahms died in Vienna on 3 April 1897. In which German port city was he born?

20. Graham Greene died in Switzerland on 3 April 1991. He wrote the screenplay of which 1949 film set in post-war Vienna?