-1. To which island was Napoleon Bonaparte exiled after his defeat at the battle of Waterloo?
-2. Which Persian poet, mathematician and astronomer is noted for his poems translated by Edward Fitzgerald and others?
-3. Edward Jenner discovered a vaccine for which disease?
-4. With which sport was Geoff Capes most famously associated?
-5. How many nautical miles in a league?
-6. For which month is emerald the traditional birthstone?
-7. The Moon's a Balloon was the first volume of whose autobiography?
-8. Which US guitarist and composer was the leader of the Mothers of Invention?
-9. Which warlike seafaring Biblical people give their name to people indifferent to artistic or cultural values?
-10. Which emperor of Japan renounced his divinity and became a constitutional monarch after Japan surrendered at the end of World War II?
-11. What was the name of the US airbase in southern England, where a women’s peace camp was set up in 1981?
-12. Who is this when he was younger?

I think I know #12 but I'll do my birthstone one. I don't usually have the option of choosing since I hardly ever know even one answer.

6. May

1. Elba

7. David Niven

4. Shot putt (or putting the shot; into his pocket I think)

Bernie

oldbroad - good call! Perhaps #12 will still be there tomorrow

Mad - afraid not. He was sent to Elba after his disastrous Russian campaign

Marian, Bernie - both good!

12. Bill Clinton

3. smallpox

Can't argue with those, ladies!

Oooops !! Another stab then with "St Helena"

Excellent stab!

8. Frank Zappa

9. Phillistine.

2. Omar Khayyam

5. Is it 3?

10. Hirohito

Spot-on, chaps (and chapesses)!

11. Greenham Common.

Thanks, Koala!