Editing Seleucid dynasty (section)

===Background===
[[Seleucus I Nicator|Seleucus]] ({{c.}} 358 – 281 BC) served as an officer of [[Alexander the Great]], commanding the elite infantry corps in the [[Ancient Macedonian army|Macedonian army]]: the "Shield-bearers" ({{langx|el|Ὑπασπισταί}}, ''Hypaspistai''), later known as the "[[Silvershields]]" ({{lang|grc|Ἀργυράσπιδες}}, ''Argyraspides'').{{Sfn|Esposito|2019|loc=Chapter 8: The Seleucid Army}} After the death of Alexander in 323 BC, the [[Partition of Triparadisus]] assigned Seleucus as [[satrap]] of [[Babylon]] in 321 BC.{{Sfn|Kosmin|2014|p=16}} [[Antigonus I Monophthalmus|Antigonus]], the satrap of much of Asia Minor, forced Seleucus to flee from Babylon, but, supported by [[Ptolemy I Soter|Ptolemy]], the Satrap of Egypt, Seleucus returned in 312 BC.<ref name=":0">{{Cite web |title=Seleucid empire {{!}} Britannica |url=https://www.britannica.com/place/Seleucid-Empire |access-date=2023-12-04 |website=www.britannica.com |language=en}}</ref> Seleucus' later conquests included [[Persia]] and [[Medes|Media]]. He agreed to a peace treaty with the Indian King [[Chandragupta Maurya]] (reigned 324-297 BC).{{Sfn|Kosmin|2014|p=24}} Seleucus defeated Antigonus in the [[Battle of Ipsus]] in 301 BC and [[Lysimachus]] (King of Thrace, Macedon and Asia Minor) in the [[battle of Corupedium]] (near [[Sardis]]) in 281 BC.{{Sfn|Kosmin|2014|p=80}}<ref name=":0" /> [[Ptolemy Ceraunus]] assassinated Seleucus later in the same year. Seleucus' eldest son [[Antiochus I]] succeeded him as ruler of the Seleucid territories in 281 BC.