Battle of the Teutoburg Forest

Date: September 9, 9 • Location: Belm, Germany

This milestone marked the outbreak and beginning of this historic period, which spanned 9.

Germanic Wars: An alliance of Germanic tribes led by Arminius engaged Roman forces at the Battle of the Teutoburg Forest, defeating three legions within a few days.

The 0s began on January 1, AD 1 and ended on December 31, AD 9, covering the first nine years of the Common Era.