TIL that since before The Civil War no Democrat has been elected President to replace an outgoing Democrat President.

https://en.wikipedia.org/wiki/List_of_presidents_of_the_United_States
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gld7c7/til_that_since_before_the_civil_war_no_democrat/