Original: Events 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: Events December 15 - Sergius succeeds Conon as Pope King Theuderic III of Neustria is defeated by Pepin of Herstal, Mayor of the Palace of Austrasia.