312–63 B.C.
After a period of decline for approximately 100 years caused by military defeats to the Romans in the west and the Parthians to the east, the remnants of the Seleucid Empire(312 B.C.) The Seleucid Empire, based in Babylonia, is founded by Seleucus, former general over Alexander’s elite cavalry forces. Seleucus asserted control over Mesopotamia and all the lands conquered by Alexander to the east into the Indus Valley. After Seleucus,... more collapse.
