255 BC Chr.

255 BC Chr.
Around 255 BC Diodotos I founded the Greek-Bactrian kingdom in the previously Seleucid province of Bactria .
255 BC In other calendars
Buddhist calendar	289/290 (southern Buddhism); 288/289 (alternative calculation according to Buddha's Parinirvana )
Chinese calendar	40th (41st) cycle , year of the fire-horse丙午 ( at the beginning of the year wood-snake 乙巳)
Greek calendar	1./2. Year of the 131st Olympiad
Jewish calendar	3506/07
Roman calendar	from urbe condita ID (499)
Seleucid era	Babylon: 56/57 (turn of the year April); Syria: 57/58 (turn of the year October)

Events

Battle of Tunes ( Tunis ): The Carthaginians achieve a devastating victory against the Roman troops that have landed in Africa not far from their capital. The Carthaginian troops are led by the Spartan general Xanthippos , the Roman by Marcus Atilius Regulus , who is taken prisoner.
Early summer: the remains of the Roman landing army are saved on their ships. An attack by the Carthaginian fleet can be repulsed in front of the Hermaeic promontory, but 284 ships are lost in a storm off Camarina . As a result, the Romans were forced to forego sea operations over the next few years, and the war shifted back to Sicily .
The Carthaginians plunder agricultural property .

Spring: During the Second Syrian War , the naval battle of Kos takes place between the fleets of Ptolemy II and Antiochus II , which Antiochus wins.
Margos von Karyneia becomes the first strategist of the Achaean League .
In Cappadocia Ariaramna II succeeds his father Ariarathes II as ruler.
around 255 BC Chr .: Bactria says from the Seleucid kingdom as a Greco-Bactrian Kingdom under Diodotos I go. With this, the Seleucids lose another region on the Middle Silk Road after the province of Parthia, where the Parner (also called Parthians ) settle .

After the last Zhou king was deposed, the Qin king Zhaoxiang effectively became master of China .

Commons : 255 BC Chr. - collection of pictures, videos and audio files