anno urbis conditae sexcentesimo sexagesimo secundo:
Although Eutropius is using the standard dating system and dating the event
"from the founding of the city" in 753 BCE, he is still a little off in his dates.
The First Mithridatic War and Sulla's civil war
against Marius began in 88 BCE rather than in 92 BCE as Eutropius reports.
AblAbs
Romae:
Remember CitSiDHR (cities, small islands, domus, humus, and rus)
often appear in the locative to show place where. Loc
bellum civile:
This civil war is referring to the series of battles that occured between the forces of
Marius, an optimate, and Sulla, a populare.
Both of these figures had gained much military renown, popularity,
and therefore, power during the Jugurthine Wars.
Mithridaticum:
Supply bellum as with civile above. This was the first of three wars between Rome and Mithridates, the King of Pontus.
causam bello civili ... dedit:bello civili is acting as a kind of indirect object. Translate as "He gave a cause to the civil war..."
In a more familiar order: C. Marius sexiens consul causam bello civili dedit.