Liam O'Mara IV, PhDThe assassination of #AliIbnAbiTalib, the fourth & last of the #RashidunCaliphate, on #ThisDayInHistory in 661 led to creation of the #UmayyadDynasty, the first Arab-Muslim empire and monarchy. #Ali was killed by a #Kharijite, member of a radical sect that rejected the caliphate.
Golarion Today