Complete Clue List
Across
1. Where ancient humans often lived
4. River important to Rome's development
7. The "Singing Festival" helped this country restore its independence
8. Australian bushranger Kelly
9. Poorly-designed suspension bridge near this Washington city collapsed in 1940
11. This Mauritian bird species became the "poster child" for extinction
12. What we breathe
14. Main ordnance in the Battle of Kursk
15. Unit of weight going back to ancient Babylon
18. "The Greatest"
19. Millenia-old nomadic Arab people
20. Panache
21. Egyptian mountain important in the Bible book of Exodus
Down
1. Heraldic device used by some families
2. World's smallest country tracing its roots back 2000 years (7,4)
3. One of the sites of the Bear Flag Rebellion in California
4. One way to get up a mountain
5. Site of a victory by Robert the Bruce over army of King Edward II
6. Guglielmo Marconi is generally recognized as the inventor of this
10. Former native American tribe in Florida
13. A colossus once stood here
14. Russian kings (var)
16. Hawaiian island once an island-wide pineapple plantation
17. Double reed instrument