Strauss-Howe looks at 80-year cycles. https://en.wikipedia.org/wiki/Strauss%E2%80%93Howe_generational_theory?wprov=sfti1#Defining_a_generation https://en.wikip

Strauss-Howe looks at 80-year cycles. https://en.wikipedia.org/wiki/Strauss%E2%80%93Howe_generational_theory?wprov=sfti1#Defining_a_generation https://en.wikipedia.org/wiki/Strauss%E2%80%93Howe_generatio...