I'm trying to collect the major happenings in the Hellenistic world in the 20-30 years leading up to 270BC, when my roleplaying game is set. Reason being that these are influences in the lives of the characters, some will have pushed them in certain ways, others they will have been involved in personally. I doubt they will be much older than 30, so anything before 300BC probably won't have as personal an impact given they won't have been born. So the Battle of Ipsus in 301BC forms a neat bookend of major events just before their appearance.
So the ones I've thought of so far (much of which the consequences of the later Wars of the Diadochi):
The struggle over Macedon, 298–285 BC
The Struggle of Lysimachus and Seleucus, 285–281 BC
Brennus' invasion of the Balkans (particularly Greece/Macedonia)
The First Syrian War
The Pyrrhic War
Some of the later events they may have been personally involved in (like serving with Pyrrhus in Italy or Sicily). Are there any others I should have in mind? Are there other developments which aren't the internecine conflict between the Successors I should also have?
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