text:  Claudius died in 54 and <unk> , taking the name <unk> Claudius Caesar Augustus <unk> , was established as Emperor . Though accounts vary , many ancient historians state <unk> poisoned Claudius . According to Pliny the Elder , she used poison mushrooms . It is not known how much <unk> knew or if he was even involved in the death of Claudius . 
  