Marcus Aemilius Lepidus and Gaius Porcina Hostilius Mancinus are consuls in 137 BC The war raged in Hispania. The Celtibères revolted and pacification will take ten years. In 137, Decimus Brutus if progressing Lusitania, the consul Caius Hostilius Mancinus is beaten and forced to surrender. A temporary peace treaty is signed, then broken. The war ended with the decision of Numancia by Scipio Aemilianus in 133 BC In 137 BC, the "lex Cassia" makes it mandatory secret ballot during the trial.