1. Boxing Day is also St Stephen's Day. Which Christmas carol is set "on the Feast of Stephen", and which country was its title character the ruler of?

2. On 26 December 1898, Marie and Pierre Curie announced the discovery of a new radioactive element. Which one?

3. On 26 December 1776, George Washington's troops surprised German soldiers fighting for Britain, after crossing an icy river overnight. Name the battle, the river, and what the German troops were called.

4. On 26 December 1991, one of the chambers of the Soviet parliament voted to dissolve itself. What did that formally end?

5. Which seven-day African-American festival was first celebrated on 26 December 1966, and who created it?

6. On 26 December 1908, in Sydney, a boxer became the first Black world heavyweight champion. Who was he?

7. Which famous British steeplechase is traditionally run on Boxing Day at Kempton Park?

8. A mathematician born in London on 26 December 1791 designed the "Difference Engine" and the "Analytical Engine", early ancestors of the computer. Who was he?

9. A Danish-born drummer born on 26 December 1963 co-founded which American heavy metal band? Bonus: what sport did his father play professionally?

10. A horror film released on 26 December 1973 caused people to faint in cinemas. Name the film, and the author of the novel it was based on.