- Founded by Macedonian general Seleucus I Nicator (312 BC)
- Received Babylonia and Assyria from division of Macedonia
- Expanded to Iraq, Iran, Afghanistan, Syria, Lebanon, Anatolia, Levant, Kuwait and parts of Turkmenistan
- Fought Maura Empire (305 - 303 BC)
- Fought Ptolemaic Egypt in Syrian Wars (3rd - 2nd centuries BC)
- Antiochus III the Great attempted to conquer Greece and lost to Roman Republic (2nd century BC)
- Annexed by Roman Republic (63 BC)
Source
Wikipedia: Seleucid Empire, Syrian Wars,