777

Europe

 * defeats the . Saxon leader flees to.
 * succeeds as monarch of.

Births

 * , King of the, son of (April) , not to be confused with Pepin "the short" of France
 * One of Pippin of Italy's wives, Queen Bertha of
 * , Assyrian physician
 * St. Barnard
 * Hildegard, daughter of Emperor and Hildegarde of Swabia