It's interesting that the last time this happened was in 1968, the year that all the shit went down at once. Here are just a few of the highlights:
Tet offensive
My Lai massacre
Johnson announces he will not seek reelection
MLK assassination
Paris student/worker riots, general strike
Paul Wm. Drew is born
Valerie Solanis shoots Andy Warhol
RFK assassination
Soviet Union invades Czechoslovakia
Chicago Democratic convention
Feminists protest Miss America/beauty culture
Mexico City Olympics
Great Squirrel Migration (this link concerns the migration of 1811, which is described as a Year Of Miracles)