1. On 27 March 1977, two Boeing 747s collided on a foggy runway on Tenerife, in the deadliest accident in aviation history. Which two airlines operated them?

2. Charles I became king on 27 March 1625. In which Scottish royal palace had he been born?

3. Yuri Gagarin was killed on 27 March 1968 when his jet crashed during a training flight. What type of aircraft was he flying?

4. The Good Friday earthquake of 27 March 1964, magnitude 9.2, is the most powerful ever recorded in North America. Which Alaskan city was worst hit?

5. On 27 March 1980, the accommodation platform Alexander L. Kielland capsized in the North Sea, killing 123 people. Which country's worst post-war industrial accident was it?

6. On 27 March 1998, the US approved Viagra. The drug sildenafil had originally been tested as a treatment for which medical condition?

7. Juan Ponce de León sighted Florida on 27 March 1513, during the Easter season. The Spanish name for that season gave Florida its name. What does "Florida" mean?

8. The first rugby international was played in Edinburgh on 27 March 1871. Which two countries played, and who won?

9. On 27 March 1899, Guglielmo Marconi sent the first wireless message across the English Channel. From Wimereux in France, it reached a lighthouse near which English port?

10. Construction of the Trans-Alaska Pipeline began on 27 March 1975. It carries oil from Prudhoe Bay to which southern Alaskan port?

11. 27 March has been celebrated as World what Day since 1962?

12. A German physicist born on 27 March 1845 won the first Nobel Prize in Physics. One of his first pictures showed his wife's hand, wearing her ring. What had he discovered?

13. A German architect born in Aachen on 27 March 1886, famous for saying "Less is more", was the last director of which design school?

14. A German novelist born in Lübeck on 27 March 1871, elder brother of Thomas Mann, wrote "Professor Unrat". Name the author, and the 1930 film adaptation starring Marlene Dietrich.

15. An American director born on 27 March 1963 made his feature debut with which 1992 film about a jewel heist gone wrong?

16. A British prime minister born in Portsmouth on 27 March 1912 is the only person to have held all four "great offices of state". Who was he?

17. An American actress born on 27 March 1899 played the faded silent star Norma Desmond, who declares she is "ready for my close-up". Name the actress and the film.

18. A German goalkeeper born on 27 March 1986 won the 2014 World Cup and is famous for his "sweeper-keeper" style. Who is he?

19. An English actor born on 27 March 1942 played Basil Exposition in the "Austin Powers" films. Who is he?

20. An American singer born on 27 March 1975 was a member of which band, known for "Where Is the Love?" and "I Gotta Feeling"?