137 BCE

Numantine War begins, Quintus Pompeius and M. Popilius Laenas are defeated and disgraced by the Numantians in subsequent years. Q. Pompeius is brought to trial by Q.Metellus and others, but acquitted. Tiberius Gracchus, quaestor in Spain, observes that slave labor has displaced small freeheld farms.

In the 130s BC, the 2nd century BC.