260

This article is about the year 260. For the number, see 260 (number).

Millennium:	1st millennium
Centuries:	2nd century – 3rd century – 4th century
Decades:	230s  240s  250s  – 260s –  270s  280s  290s
Years:	257 258 259 – 260 – 261 262 263

260 by topic

Politics

State leaders – Sovereign states

Birth and death categories

Births – Deaths

Establishment and disestablishment categories

Establishments – Disestablishments

260 in other calendars

Gregorian calendar	260 CCLX
Ab urbe condita	1013
Assyrian calendar	5010
Bengali calendar	−333
Berber calendar	1210
Buddhist calendar	804
Burmese calendar	−378
Byzantine calendar	5768–5769
Chinese calendar	己卯年 (Earth Rabbit) 2956 or 2896     — to — 庚辰年 (Metal Dragon) 2957 or 2897
Coptic calendar	−24 – −23
Discordian calendar	1426
Ethiopian calendar	252–253
Hebrew calendar	4020–4021
Hindu calendars
- Vikram Samvat	316–317
- Shaka Samvat	182–183
- Kali Yuga	3361–3362
Holocene calendar	10260
Iranian calendar	362 BP – 361 BP
Islamic calendar	373 BH – 372 BH
Julian calendar	260 CCLX
Korean calendar	2593
Minguo calendar	1652 before ROC 民前1652年
Seleucid era	571/572 AG
Thai solar calendar	802–803

The humiliation of Emperor Valerian (Hans Holbein the Younger, ca. 1521)

Year 260 (CCLX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Saecularis and Donatus (or, less frequently, year 1013 Ab urbe condita). 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.

Events

By place

Roman Empire

• Battle of Edessa: Emperor Valerian is defeated by Persian forces under king Shapur I the Great in Mesopotamia (southern Turkey).
• Valerianus I arranges a meeting with Shapur to negotiate a peace settlement. The truce is betrayed and he is taken prisoner for the remainder of his life.
• Shapur I sends Valerian to Bishapur and used the captured Roman army for engineering plans. They constructed the Band-e Kaisar (Bridge of Valerian).
• Gallienus becomes the sole emperor of Rome, during his reign the Pannonian governor Ingenuus revolts on the Danube.
• Gallienus evacuates the fortifications (limes) in the Agri Decumates (Germania Superior), covering the Black Forest area in the face of invading Alamanni.
• Gallienus established himself at Mediolanum (modern Milan), he reorganizes the army supported by elite cavalry and dispatch troops to the Rhine frontier.
• Postumus, Roman usurper, forms the Gallic Empire and protects the Rhine against an invasion of Germanic tribes.
• Saloninus, son of Gallienus, is proclaimed Augustus by his troops. Postumus besiege Cologne, where Silvanus is praetorian prefect and Roman ruler of Gaul.
• Postumus executed Saloninus and his adviser Silvanus after breaching the walls of Cologne. He is recognized as emperor and establish his capital at Trier.
• Postumus wins over all the Roman provinces west of the Alps, including Gaul, Britain and Hispania.
• The Roman fort of Wiesbaden (Germany) is captured by the Alamanni.
• The Franks take control over the Scheldt estuary (approximate date).

Asia

• Persian king Shapur I destroys Caesarea Mazaca in Asia Minor.
• Cao Huan succeeds Cao Mao as ruler of the Chinese Kingdom of Wei.
• Syria, Egypt and Palestine break off from the Roman Empire to form the Persian-supported Palmyrene Empire.

By topic

Arts and sciences

• Earliest known date of chess.

Religion

• Pope Dionysius convenes a synod at Rome to demand an explanation from bishop Dionysius of Alexandria, who has been charged with separating the members of the Trinity as three distinct deities.
• Paul of Samosata becomes Patriarch of Antioch.

Births

• Jin Huidi, emperor of the Jin Dynasty (approximate date)
• Gaius Galerius Valerius Maximianus, Roman Emperor (d. 311)

Deaths

• Cao Mao, ruler of the Chinese Kingdom of Wei (killed in an abortive coup d'état against Sima Zhao) (b. 241)
• Chen Tai, minister of the Kingdom of Wei
• Saloninus, Roman emperor and son of Gallienus
• Sun Liang, Emperor of the Chinese Kingdom of Wu (b. 243)
• Valerianus I, Roman emperor (approximate date)