Conversation so far:
What are some awards Jim Thorpe won in football?
Thorpe was inducted into the Pro Football Hall of Fame in 1963, one of seventeen players in the charter class.
What other honors did he receive from his football career?
He was also inducted into halls of fame for college football.
Did he receive honors outside of sports?
President Richard Nixon, as authorized by U.S.
Senate Joint Resolution 73, proclaimed Monday, April 16, 1973, as "Jim Thorpe Day" to promote the nationwide recognition of Thorpe.
What are some other notable honors that Thorpe received?
The United States Postal Service issued a 32C/ stamp on February 3, 1998 as part of the Celebrate the Century stamp sheet series.

Question: What is the biggest honor that he received?
Self-contained rewrite: What is the biggest honor that Jim Thorpe received?