In the late 1800s, doctors in German-speaking countries were having trouble agreeing on one simple thing: whether to wear gloves during surgery.
Eighteenth-century Italian noblewomen had one indispensable accessory: an extramarital lover.
As Europeans recovered from the devastation of World War II, nude beaches appeared in France.
In 1968, the Kerner Commission “explicitly identified white racism as the principal cause of the civil disorder evidenced across hundreds of U.S. cities."