1204 (as OTL): Fourth Crusade. Byzantine Empire conquered, Constantinople plundered, Latin Empire founded, which gets one quarter of the lands of the old Empire. Other parts go to Venice or Genoa or become independent. One of the new states is the Empire of Nikaia, which ruler Theodor Laskaris wants to throw out the invaders. 1208 (as OTL): Theodoros Laskaris, ruler of Nikaia, crowned official Byzantine emperor by the patriarch. 1213 (as OTL): Queen Tamara of Georgia dies. During her reign, capital punishment and dismemberment were abolished. 1226 (as OTL): Rasulide dynasty takes over in Yemen.