Lucius Caecilius Metellus Diadematus

Lucius Caecilius Metellus Diadematus (Lucius Caecilius Q. f. Q. n. Metellus Diadematus) was the second son of Quintus Caecilius Metellus Macedonicus

Quintus Caecilius Metellus Macedonicus

Quintus Caecilius Metellus Macedonicus was a Praetor in 148 BC, Consul in 143 BC, Proconsul of Hispania Citerior in 142 BC and Censor in 131 BC. He was the oldest son of Quintus Caecilius Metellus and grandson of Lucius Caecilius Metellus.A brilliant general, he fought in the Third Macedonian War...

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During his consulship

Roman consul

A consul served in the highest elected political office of the Roman Republic.Each year, two consuls were elected together, to serve for a one-year term. Each consul was given veto power over his colleague and the officials would alternate each month...

in 117 BC he supported the development of roads in Italy and he probably built Via Caecilia
Via Caecilia
Via Caecilia, an ancient highroad of Italy, which diverged from the Via Salaria at the 35th mile from Rome, and ran by Amiternum to the Adriatic coast, passing probably by Hadria...

. A year later he was Proconsul

Proconsul

A proconsul was a governor of a province in the Roman Republic appointed for one year by the senate. In modern usage, the title has been used for a person from one country ruling another country or bluntly interfering in another country's internal affairs.-Ancient Rome:In the Roman Republic, a...

of Cisalpine Gaul

Cisalpine Gaul

Cisalpine Gaul, in Latin: Gallia Cisalpina or Citerior, also called Gallia Togata, was a Roman province until 41 BC when it was merged into Roman Italy.It bore the name Gallia, because the great body of its inhabitants, after the expulsion of the Etruscans, consisted of Gauls or Celts...

. In 115 BC Diadematus was elected Censor and during his censorship with Gnaeus Domitius Ahenobarbus

Gnaeus Domitius Ahenobarbus (consul 122 BC)

Gnaeus Domitius Ahenobarbus was consul of Rome in 122 BC. He was the son of the Gnaeus Domitius Ahenobarbus who was consul in 162 BC....

they expelled 32 Senators from the Senate

Roman Senate

The Senate of the Roman Republic was a political institution in the ancient Roman Republic, however, it was not an elected body, but one whose members were appointed by the consuls, and later by the censors. After a magistrate served his term in office, it usually was followed with automatic...

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He was an opponent of Lucius Appuleius Saturninus

Lucius Appuleius Saturninus

Lucius Appuleius Saturninus was a Roman popularist and tribune; he was a political ally of Gaius Marius, and his downfall caused a great deal of political embarrassment for Marius, who absented himself from public life until he returned to take up a command in the Social War of 91 to 88...

and when Saturninus in 100 BC tried to oppose the Senate by means of force, together with other Senators they went to arrest him.

He lived to see the return of his first-cousin Quintus Caecilius Metellus Numidicus

Quintus Caecilius Metellus Numidicus

Quintus Caecilius Metellus Numidicus was the leader of the conservative faction of the Roman Senate and a bitter enemy of Gaius Marius....

from exile

Exile

Exile means to be away from one's home , while either being explicitly refused permission to return and/or being threatened with imprisonment or death upon return...

, and exerted himself to obtain his recall.

Further reading