Most common issue varieties of 500 dollar notes feature William McKinley on their face. McKinley was one of 4 U.S. presidents to be assassinated while in office, he passed away 122 years ago to this day. His presidential legacy is notable for his triumph in the Spanish-American War, which ultimately resulted in the annexation of Hawaii. This note and other 500 Dollar Federal Reserve notes are available for bidding in our Louisiana Bayou Collection of High Denomination Notes.