The civil war happened before the Red Year, though. It was initiated by Helseth and supported by half of the great houses. Probably not for entirely altruistic reasons since Helseth is driven by imperial business interests but that also applies to our Civil War too.
Granted, the Argonians were kinda justified in doing what they were doing even after
Kinda happens when half of your territory gets destroyed, you get invaded by lizards and lose support of both the empire and the tribunal.
The civil war happened before the Red Year, though. It was initiated by Helseth and supported by half of the great houses. Probably not for entirely altruistic reasons since Helseth is driven by imperial business interests but that also applies to our Civil War too.
Granted, the Argonians were kinda justified in doing what they were doing even afterdeleted by creator
Only mentions I've seen of the family in general was Morgiah from the Firsthold Revolt book and the crown quest.