Events

• August 15 - Battle of Roncevaux (Roncesvalles), in which Charlemagne's army suffers a terrible defeat at the hand of the Basques. Among those killed was Roland, lord of the Breton March; the 11th-century Song of Roland is loosely based on the events of this battle.
• Charlemagne fights the Moors in Spain.
• Widukind returns to Saxony from Denmark.

Births

• 16 April - King Louis the Pious (d. 840)

Deaths

• August 15 - Roland, Frankish commander
• Autpert Ambrose, monk and writer

778

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