heptarchy

In OTL, Kent was reportedly the wealthiest of all the pre-English Kingdoms of Britain up until the loss of Lundenwic and the Kingdom's conquest by Mercia and later Wessex. The King of Kent even held the title of Bretwalda for a time. Your challenge is to keep a 'Kentish' identity as, if not its...

Starting with a POD no earlier than 410 AD, create a timeline where Ireland is a great power 1000 years later. By great power, I mean something on par with OTL's Castille/Spain, France, Sweden/Kalmar Union, England, or the Ottoman Empire--a state that either already is (or is on the cusp of...