Posted by Ranger Holly on October 11, 2001 at 15:47:20:
In Reply to: ynp posted by brad,ashley,andchelsey on October 11, 2001 at 14:51:31:
: When did Yellowstone become a park?
Yellowstone was signed into law as the world's first national park on March 1, 1872. It is 129 years old!