250s

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Millennium: 1st millennium
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The 250s decade ran from January 1, 250, to December 31, 259.

Contents

Events

250

By place

Roman Empire
Africa
China
  • The earliest Chinese references to a device known as "emperor's south-pointing carriage" date to this period.
America

By topic

Arts and sciences
  • Diophantus writes Arithmetica , the first systematic treatise on algebra.
  • Approximate date
    • The family portrait medallion, traditionally called the Family of Vunnerius Keramus, is made (it is later placed in the Brescia Cross, and then in the Museo Civico dell'Etá Cristiana, Brescia).
    • The Ludovisi Battle sarcophagus, depicting battle between the Romans and the Barbarians, is made for use in Rome (it is later moved to the collection of the National Roman Museum).
    • The Igel Column is erected at Trier in Germany.
Religion

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Significant people

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251 251

Year 251 (CCLI) was a common year starting on Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Traianus and Etruscus. The denomination 251 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

253 253

Year 253 (CCLIII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Volusianus and Claudius. The denomination 253 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

257 257

Year 257 (CCLVII) was a common year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Valerianus and Gallienus. The denomination 257 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

The 230s decade ran from January 1, 230, to December 31, 239.

The 240s decade ran from January 1, 240, to December 31, 249.

The 260s decade ran from January 1, 260, to December 31, 269.

Year 252 (CCLII) was a leap year starting on Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Trebonianus and Volusianus. The denomination 252 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Year 256 (CCLVI) was a leap year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Claudius and Glabrio. The denomination 256 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Year 258 (CCLVIII) was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Tuscus and Bassus. The denomination 258 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Year 259 (CCLIX) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Aemilianus and Bassus. The denomination 259 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

260 260

Year 260 (CCLX) was a leap year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Saecularis and Donatus. The denomination 260 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

265 265

Year 265 (CCLXV) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Valerianus and Lucillus. The denomination 265 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Valerian (emperor) Augustus

Valerian, also known as Valerian the Elder, was Roman Emperor from 22 October 253 AD to spring 260 AD. He was taken captive by the Persian Emperor, Shapur I, after the Battle of Edessa, becoming the first Roman emperor to be captured as a prisoner of war, causing shock and instability throughout the Roman Empire.

Decius 3rd century Roman emperor

Decius, also known as Trajan Decius, was Roman Emperor from 249 to 251.

Trebonianus Gallus Augustus

Trebonianus Gallus, also known as Gallus, was Roman Emperor from June 251 to August 253, in a joint rule with his son Volusianus.

Aemilianus Roman Emperor

Aemilianus, also known as Aemilian, was Roman Emperor for three months in 253.

Volusianus Augustus

Volusianus, also known as Volusian, was a Roman Emperor from November 251 to August 253. His father, Trebonianus Gallus, became Roman Emperor after being elected in the field by the legion, following the deaths of the previous co-emperors Decius and Herennius Etruscus. Trebonianus Gallus raised Hostilian, the son of Decius, to augustus, making him his co-emperor in June 251. Volusianus was elevated to caesar in the same month. After the death, or murder, of Hostilian in November 251, Volusianus was raised to augustus, co-ruling with his father. The short reign of Trebonianus Gallus and Volusianus was notable for the outbreak of a plague, which is said by some to be the reason for Hostilian's death, the invasion of the Sasanian Empire, and the raids of the Goths. Volusianus was killed alongside his father in August 253 by their own soldiers, who were terrified of the forces of the usurper Aemilian which were marching towards Rome.

References

  1. "Saint Denis bishop of Paris". Encyclopædia Britannica .