Original: By Place Europe King Theuderic III of Neustria is defeated by Pepin of Herstal, Mayor of the Palace of Austrasia, at the Battle of Tertry near Péronne in modern France.
Simplified: December 15 - Sergius succeeds Conon as Pope King Theuderic III of Neustria is defeated by Pepin of Herstal, Mayor of the Palace of Austrasia.