838 deaths

9th-century Iranian revolutionary leader

9th-century Frankish king

Tritsuk Detsen (), better known by his nickname Ralpachen (; 802–838), was the 40th King (Tsenpo) of Tibet from 815 to 838. He reigned after the death of his father, Sadnalegs, and grew the empire to its largest extent. He was murdered by his younger brother Langdarma in 838. Ralpachen is one of the "Three Dharma Kings of Tibet", and referred to as "son of God" in the ancient Tibetan chronicle Testament of Ba.

Aghlabid emir of Ifriqiya

Arab philologist

Abbasid prince and Military leader (died 838 CE)

Duke of Lower Pannonia

Ruler of Silla

Abbasid military officer (died 838)

Willerich (*unknown – 4 May? 838*) was the second bishop of Bremen in Germany; or, according to some, the first, his predecessor Willehad being just a missionary in the area, and the diocese set up after his death. He was consecrated in 804 or 805.

Irish king

Bishop