Britannia eyes new products to narrow gap with Parle

The distinguished soldier Septimius Severus is proclaimed emperor by the army in Illyricum.[1]

Byzantine Emperor Basiliscus issues a circular letter (Enkyklikon) to the bishops of his empire, supporting the Monophysite christological position.[2]

Siege of Rome: The Byzantine general Belisarius receives his promised reinforcements, 1,600 cavalry, mostly of Hunnic or Slavic origin and expert bowmen. He starts, despite shortages, raids against the Gothic camps and Vitiges but is forced into a stalemate.

Battle of Liegnitz: Mongol forces defeat the Polish and German armies.[3]

Mongol invasions of Vietnam: Yuan forces are defeated by Trần forces in the Battle of Bach Dang in present-day northern Vietnam.[4]

Despite being outnumbered 16:1, forces of the Old Swiss Confederacy are victorious over the Archduchy of Austria in the Battle of Näfels.[5]