 <unk> was succeeded without incident by his adopted son Trajan , who was greeted by the Roman populace with much enthusiasm . According to Pliny the Younger , Trajan dedicated a temple in honour of <unk> , yet no trace of it has ever been found ; nor was a commemorative series of coins for the <unk> <unk> issued until ten years after his death . According to <unk> <unk> , however , the Guard prefect responsible for the mutiny against <unk> , <unk> <unk> , was ' dismissed ' upon Trajan 's accession . 
