Category
page 1251 deaths

Decius
Gaius Messius Quintus Trajanus Decius ( 201June 251), known as Trajan Decius or simply Decius (), was Roman emperor from 249 to 251.
Agatha of Sicily
Christian saint and martyress (235–261)
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Hostilian
Hostilian (; died July 251) was briefly Roman emperor in 251. Hostilian was born to Decius and Herennia Etruscilla at an unknown date and elevated to caesar in 250 by Decius. After Decius and Herennius Etruscus, Hostilian's brother, were killed at the Battle of Abritus, an ambush by the Goths, Trebonianus Gallus was proclaimed emperor by the legions. Almost immediately, he elevated Hostilian to co-emperor and his own son, Volusianus, to caesar. Hostilian died soon after, either due to plague or being murdered by Trebonianus Gallus.
Herennius Etruscus
Roman emperor (220-251)

Sima Yi
Chinese general, politician and regent (179-251)
Alexander of Jerusalem
Christian bishop and saint
Isidore of Chios
Egyptian saint
Deng Zhi
Shu Han official, diplomat and general (died 251)
Alexander of Comana
bishop of Comana in Pontus(died c. 251)
Thyrsus of Apollonia
Christian martyr and saint
Empress Zhen
Empress of Cao Wei (died 251)
Wang Ling
Chinese Cao Wei state general (died 251)

Cao Biao
prince of the Cao Wei state (195-251)
Cao Lin
imperial prince of Cao Wei (died 251)
Lü Yi
Official of the state of Shu Han (died 251)
Galaktion and Episteme
married couple
Terence of Pesaro
Saint and bishop