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12 December 2014 Last updated at 15:00 GMT
England manager Roy Hodgson joined the Duke of Cambridge to unveil the statue at the National Memorial Arboretum in Staffordshire, England.
The Football Remembers memorial was designed by a schoolboy after a UK-wide competition.
The prince and England forward Theo Walcott selected a ten-year-old boy from Newcastle's design following a competition involving more than 30,000 schools.
Leah's got more.
Prince William has unveiled a memorial to remember the Christmas Truce in World War One when soldiers from Britain and Germany stopped fighting and played football on Christmas Day.