Ten answer is:
In 1906, president Theodore Roosevelt named Devils Tower in Wyoming the first national monument.
Remember, when capitalizing a name, you should always do it wiht all name, middle and last name, also when capitalizing national monuments or parks, or tittles of books and movies, you should always capitale every long word, examples of short words are: for, the, of, on, you would only capitalize this in case they´re the start of the sentece or in special cases.
