* 55 BC
o Julius Caesar attempts to invade Britain, but is met with strong resistance from the local tribes, who elect a super-leader: the Celtic King Eowyn, who summarily became first member of the Britannian royal line.
* 1813 a.t.b.
o Elizabeth III nominates her lover, Ricardo von Britannia, as her successor upon her death. She ends her reign for being "the Queen who loved throughout her stormy life". The Britannian calendar, Ascension Throne Britannia (a.t.b.), is established, with the origin year set to the ascendancy of the first Celtic King.
I know it's wikipasting.