The Seleucid Dynasty, founded by Seleucus I Nicator in 312 BCE after the death of Alexander the Great, initially flourished by controlling vast territories from the Aegean to the Indus River. The dynasty was known for its cultural syncretism, promoting Hellenistic culture throughout its regions. However, internal strife, succession crises, and external pressures, particularly from the Romans and Parthians, weakened its power. By the 2nd century BCE, the Seleucid Empire faced significant territor