I'll start with the basics up until the thread.
930 AD: Legend says Carl Cockatoo led settlers to the uninhabited Island of Yell, who would later become the Yellasians and the Low. The exact origins of these nations is shrouded in mystery.
930-1300: Age of Anarchy- sometimes referred to as the Normo-Socialist period. Yellasian (and later Low) culture developed and flourished in a loose society without a central state or identity.
1312-1381: The Unification Period. Kingdom of Yellasia and Low Coalition form.
1381-1388: "Ancient Low War"- ends when Yellasia repels Low invasion.
*lol forgot this part that I had in the WA*
1670-1700: Yellasian Enlightenment.
1700-1702: Contact with outside world. Arveyres first nation to recognise Yellasia. Eurasians and Duresians make small settlements on Yellasian territory.
1702-: Colonial Era
Alright, so for this part, I was thinking Duresia could make some small settlements (like New Amsterdam or something like that) that get absorbed into the Eurasian territory after full colonisation. New Tarajan, being a colonial empire could maybe play a part in this as well.
I wonder what your plan was though. Was your colony going to be more just economic or were there a sizable amount of settlers trying to create a new 'land' so to speak? 'cause if there's actual settlers that could be a good plot twist creating a really dynamic history (like a Zimbabwe style RP). what I'm thinking is that there's a very brief conflict where the Yellasians and the Low fight against Eurasia, and we surrender, facing annihilation, on the condition we can keep our traditional leadership (our monarchs). despite this, Eurasian settlers (with Duresian/New Tarajani influence) come in, give the island a new name and everything, and in effect make it a full colony of Eurasia. during the Yellasian Revolution, people are weirded out. we are seen as radical and have a dog as our king. towards the end, when Eurasia is about to accept the situation, the colonial settlements declare their own independence to avoid "savages" taking over. the Low Revolution is going on at the same time.
so we'd have a four wayconflict that could involve foreign powers as well creating this really dynamic, complicated history. in the modern period we seem like natural allies though so I'm thinking 1976-onwards (when you become socialist) can be like our detente period.