TIL "Maryland, My Maryland" - the state anthem of Maryland until 2021 - is set to the tune of "O Christmas Tree." There also exist "Michigan, My Michigan," "Florida, My Florida," and "the Song of Iowa" - the current state anthem of Iowa - all set to the same tune.

https://en.wikipedia.org/wiki/Maryland,_My_Maryland
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g4grt6/til_maryland_my_maryland_the_state_anthem_of/