1. How many gallons does a ten-gallon hat hold?
ANSWER:   3/4 gallon (gallon comes from Spanish galon -- a braid to decorate hats)

2. The warship, "Old Ironsides" was made of what material?
ANSWER:   Wood

3. How many vertices are on a "five-pointed" star?
ANSWER:   10 vertices
Many thanks to Matt Adams from Southern Utah University for correcting my original answer!

4. What metal is the nickel coin primarily composed of?
ANSWER:   75% copper and 25% nickel

5. When does the "Oktoberfest" in Munich, Germany usually begin?
ANSWER:   In September.   It lasts for two weeks (only the final few days are in October)

6. Where did Chinese checkers originate?
ANSWER:   In Sweden

7. Where was the battle of Bunker Hill fought?
ANSWER:   Breed's hill

8. Where did the battle of Waterloo take place?
ANSWER:   South of Waterloo between Mont-Saint Jean and Belle-Alliance

9. The catgut used to make tennis rackets comes from what animal?
ANSWER:   The intestines of sheep

10. How many years did the Hundred Years War last?
ANSWER:   116 years (1337 - 1453)

11. Who invented Venetian blinds?
ANSWER:   The Japanese

12. Who wrote the Monroe Doctrine?
ANSWER:   It was first enunciated by Monroe but it was written by John Quincy Adams

13. What do honeybees collect?
ANSWER:   nectar -- later they convert it into honey

14. Where was the Woodstock Rock Festival held?
ANSWER:   Bethel, NY

15. What are camel's hair brushes made of?
ANSWER:   Tails of squirrels

16. What are lead pencils made of?
ANSWER:   A mixture of graphite and clay

17. In what state was playwright Tennessee Williams born?
ANSWER:   Mississippi

18. What country has the world's largest Spanish-speaking population?
ANSWER:   Mexico (twice that of Spain)

19. The Canary Islands are named for what animal?
ANSWER:   Wild dogs (after the Latin Insulas Canarias (Island of Dogs))

20. Who is buried in Grant's Tomb?
ANSWER:   U.S. Grant AND his wife

21. What color is George Washington's white horse?
ANSWER:   White