Cycles in history are an ancient and intriguing idea; modern - disputed - forms include Strauss-Howe generation theory. This "cliodynamics" seems to be an effo

Cycles in history are an ancient and intriguing idea; modern - disputed - forms include Strauss-Howe generation theory. This "cliodynamics" seems to be an effort to put these sorts of ideas on a more academically respectable footing. https://www.wikipedia.org/wiki/Strauss%E2%80%93Howe_generational_theory https://www.wikipedia.org/wiki/Strauss%E2%80%93Howe_generati...