Americans Knighted by the Queen of England

1. President Bush (Sr) 1996
2. Rudy Guiliani (2002)
3. Bill Gates (2005)
4. Alan Greenspan (2002)
5. J Edgar Hoover
6. Steven Spielberg
7. Douglas Fairbanks Jr.
8. Billy Graham
9. Bob Hope (born in England but a US citizen)
10. Henry Kissinger
11. Andre Previn
12. General Norman Swarzkopf Jr.
13. General Clark
14. General Colin Powell
hundreds of others.....

Whenever you are knighted, you have to take an oath of allegiance to England.
No joke.