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Centuries: 2nd century - 3rd century - 4th century Decades: 210s 220s 230s 240s 250s - 260s - 270s 280s 290s 300s 310s Years: 254 256 257 258 259 - 260 - 261 262 263 264 265 Events Valerian I captured by the Persian king Sapor[?] Gallienus succeeds Valerian I as Roman emperor Wei Yuan Di[?] succeeds Wei Gao Gui Xiang Gong[?] as ruler of the Chinese Wei[?] kingdom Syria, Egypt and Palestine break off from the Roman Empire to form the Persia-supported Palmyran Empire[?] Roman fort of Wiesbaden (Germany) captured by the Alamanni (possibly 259) Franks took control over the Scheldt estuary (approximate date) Earliest known date of chess Births Deaths Emperor Valerian I
Centuries: 2nd century - 3rd century - 4th century
Decades: 210s 220s 230s 240s 250s - 260s - 270s 280s 290s 300s 310s
Years: 254 256 257 258 259 - 260 - 261 262 263 264 265
Births
Deaths