Diodotus II was a Greco-Bactrian king, son of Diodotus I. He is known for concluding a peace with the Parthians (Justin l.c.), in order to forestall the Seleucid reconquest of both Parthia and Bactria. Around 223 BC, Diodotus II was killed by an usurper, Euthydemus I, founder of the Greco-Bactrian Euthydemid dynasty (Polyb. xi. 34, 2). Coin from the COIN INDIA site [1], usage allowed for non-commercial purposes according to page [2]. The home page of the site is: [3] This work is copyrighted. ... Coin from the COIN INDIA site [1], usage allowed for non-commercial purposes according to page [2]. The home page of the site is: [3] This work is copyrighted. ... Approximate extent of the Greco-Bactrian kingdom circa 220 BCE. The Greco-Bactrians were a dynasty of Greek kings who controlled Bactria and Sogdiana, an area comprising todays northern Afghanistan and parts of Central Asia, the easternmost area of the Hellenistic world, from 250 to 125 BCE. Their expansion... The founder of the Greco-Bactrian kingdom, Diodotus ca. ... The Seleucid Empire was one of several political states founded after the death of Alexander the Great, whose generals squabbled over the division of Alexanders empire. ... Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 270s BC 260s BC 250s BC 240s BC 230s BC - 220s BC - 210s BC 200s BC 190s BC 180s BC 170s BC Years: 228 BC 227 BC 226 BC 225 BC 224 BC - 223 BC - 222 BC 221 BC... Coin depicting the Greco-Bactrian king Euthydemus (230-200 B.C.) Euthydemus was allegedly a native of Magnesia and possible Satrap of Sogdiana, who overturned the dynasty of Diodotus of Bactria and became a Greco-Bactrian king in about 230 BC according to Polybius. ... Polybius (ca 203 BC - 120 BC) was a Greek historian of the Mediterranean world, especially the rise of the Roman Republic, which he attributed to Roman fitness and to the excellence of Roman civic and military institutions. ...