[CXI.] Virgil is referring to Caesar and Pompey.
[CXII.] L. Mummius captured Corinth, and so ended the war with Greece, in 146 B.C., and is clearly referred to here. By 'the man who lofty Argos shall o'erthrow,' Virgil probably means Aemilius Paullus, who won the battle of Pydna in 168 B.C. against a king of Macedonia who called himself a descendant of Achilles.
[CXIII.] Cato was the famous censor of 184 B.C. who vainly tried to check the growth of luxury at Rome. Cossus killed the king of Veii in 426 B.C. The two Gracchi were great political reformers. The elder Scipio defeated Hannibal at Zama in 202 B.C., and his son took Carthage in 146 B.C. Fabricius was the general who fought against Pyrrhus, when the latter invaded Italy in 281-75 B.C. Serranus was a general in the first Punic war. The Fabii of renown are so many that Anchises only mentions the most famous of them, Q. Fabius Maximus Cunctator, the general against Hannibal.
[CXV.] Marcus Marcellus was a Roman general in the first Punic war.
[CXVI.] Marcellus was the son of the Emperor's sister Octavia, and at the age of 18 he married Augustus' daughter Julia. He was a youth of great promise, and was destined to succeed his father-in-law, but he died of fever at the age of 20 in 23 B.C., amidst universal grief.