General
Population: Between 190 and 230 million*
- Mathematics: Indian mathematicians develop decimal system and the concept of zero
- Medicine: Alexander of Tralles writes "De re medica"
- Religion: Pope Benedict I appointed
- Deaths: Siegebert of Franks
Asia
- India: Indian mathematicians develop decimal system and the concept of zero
- Japan: Buddhism first established in Japan
Europe
- Eastern Europe: Slovenes move into Carniola
- Franco-German States: Death of Sigebert of Franks – son 3/4 of Chlothar,