As good as he was he did a horrible thing with historical consequences: he exterminated almost completely the Jews of Palestine after overcoming their uprising. read more
According to the Jews, he did a bad thing by throwing all the Jews out of Roman Judaea following the Bar Kocha Rebellion in the 2nd century CE. Another bad thing, in some people's opinion, was deifying his male lover when Antonioos drown while swimming. read more
The good : Trajan did alot of bad things but he also did good. He reduced taxes,increased the free distribution of food, and maintained a constant supply of grain. Trajan also created special funds for the poor. read more
After Hadrian died (July 10, 138), the bad points of his life -- possible murders in the early years and then the final years -- kept the Senate from automatically granting him honors, but Antoninus, his successor, persuaded the Senate to award them. read more