The timeline I recall is as of September 2014, @Havenstone posted:
here’s my current timeline for the Karagond Empire – a slight revision of the game text to date. The Karagonds discovered Theurgy nearly four centuries ago, spurring a decade-long unification of the Karagond city-states under the Hegemony of Hera the Thaumatarch. They then embarked upon a war of conquest that took up most of the century – conquering Erezza by 363 years before present (BP), Shayard by 351 BP, the Nyr 335 BP, and the Wiends 305 BP (the same year Karagon first invaded Halassur). 291 years BP the Xaos-lands came into existence, and 290 BP Thaumatarch Hera was assassinated, causing her successor to turn inward and create the great Wards.
It seems I am back to being unable to quote locked threads 
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@Havenstone Which raises the question for this timeline… is the “Present” referring to the moment of the Fourth Harrowing? If not then what is event that marks 0 BP? I doubt the Hegemony measures years as Before Present (BP), so how does the Hegemony start its calendar?