The Battle of Mainz is fought between the Franks and an alliance of Vandals, Suevi and Alans and takes place on December 31, 405.
The battle is won by the Vandals and Alans, and clears the way for their invasion of Gaul.
"Biology is more like history than it is like physics. You have to know the past to understand the present. And you have to know it in exquisite detail."