TIL The Strauss–Howe Generational Theory. The Theory states that a crisis recurs in American history after every saeculum (85 years), which is followed by a recovery. 85 years ago was the invasion of Poland and the beginning of WW2.

https://en.wikipedia.org/wiki/Strauss%E2%80%93Howe_generational_theory

#til #todayilearned

https://www.reddit.com/r/todayilearned/comments/1h0ilom/til_the_strausshowe_generational_theory_the/