840 (AD 840) Historical Timeline & Archive

Explore biographies of historical figures born or commemorated in 840 (AD 840) from the 2Day Chrono-Wiki encyclopedia.

Notable Figures in 840 (AD 840) (2)

Louis the Pious (Died: 0840-06-20) — Carolingian Emperor, King of the Franks, and pivotal figure in early medieval European history.
Svatopluk I of Moravia (Born: 840) — Ruler of Great Moravia, achieving its greatest territorial extent during his reign (870–894).