Alemanni Invade Roman Empire

Date: January 2, 366 • Location: Hoek van Holland, Netherlands

This milestone marked the outbreak and beginning of this historic period, which spanned 366–376.

The Alemanni cross the frozen Rhine in large numbers, invading the Roman Empire.

The Alemanni or Alamanni were a confederation of Germanic peoples who first appeared in the region east of the Upper Rhine river during the third century AD, where they eventually took control of a large swathe of lands previously ruled by the Roman empire, within the province of Germania Superior.