January – Tet Offensive begins
March – My Lai Massacre
April – Martin Luther King, Jr. is assassinated
May – Students riot in Paris
June – Robert Kennedy is assassinated
July – Humanae Vitae: On the Regulation of Birth is published
August – Widespread protests at the Democratic National Convention
October – Captain Beefheart releases Strictly Personal
November – Richard Nixon is elected president
December – Apollo 8 orbits Earth’s moon