Years: 839 840 841 842 - 843 - 844 845 846 847

Decades: 810s 820s 830s - 840s - 850s 860s 870s

Centuries: 8th century - 9th century - 10th century

Events

• Treaty of Verdun divides the Carolingian empire between the 3 sons of Louis the Pious. Namely Charles the Bald, Lothar and Louis the German.
• Kenneth MacAlpin, King of the Scots, makes himself King of the Picts. The resulting unified Scottish/Pictish Kingdom is called Alba. Beginning of the rule of the Alpin dynasty of Scottish kings