This week's Friday Brain-teaser from xrefer tests your knowledge of Successors . Answers here:

1. Which queen succeeded her uncle William IV as the British monarch in 1837?
2. In 1975, who succeeded Edward Heath as leader of the British Conservative Party?
3. Who became President of the United States in 1963 when John F. Kennedy was assassinated?
4. Who succeeded his grandfather as Prince of Monaco in 1949, and married actress Grace Kelly in 1956?
5. In the year 1040, who became King of the Scots, succeeding Duncan whom he killed in battle?
6. Who succeeded De Gaulle as French president in 1969?
7. Which emperor of Japan was succeeded in 1989 by his son Akihito?
8. Who became King of Great Britain and Northern Ireland in 1936 after the abdication of his brother, Edward VIII?
9. Who succeeded Binyamin Netanyahu as the leader of the Likud party in Israel in the year 2000?
10. Who succeeded Wordsworth as the British poet laureate in 1850?