physics - 778

Years: 774 775 776 777 - 778 - 779 780 781 782
Decades: 740s 750s 760s - 770s - 780s 790s 800s
Centuries: 7th century - 8th century - 9th century

Events

August 15 - Battle of Roncevaux, in which Charlemagne's rear guard, commanded by his nephew Roland, was slaughtered.
Charlemagne fights the Moors in Spain.
Widukind returns to Saxony from Denmark.