1803 (Seleucidan), in reference to dynasty founded in Syria 312 B.C.E. by Seleucus Nicator, Macedonian Greek general and later one of the successors of Alexander the Great. It lasted until the Roman conquest in 65 B.C.E. Earlier Seleucian (1715), though in Church history this tends to also refer to a 3c. sect led by Seleucus of Galatia. The Seleucidan Era, formerly a widespread local reckoning in the East (maintained by Syrian Christians) usually is dated to Sept. 1, 312 B.C.E.
updated on April 16, 2022