Please note that Mommsen uses the AUC chronology (Ab Urbe Condita), i.e. from the founding of the City of Rome. You can use this reference table to have the B.C. dates
During the
revolutionary commotions this pamphlet-literature increased in
extent and importance, and among the mass of ephemeral productions
there were some which, like the Philippics of Demosthenes and
the fugitive pieces of Courier, acquired a permanent place in
literature from the important position of their authors or from
their own weight.
Such were the political speeches of Gaius
Laelius and of Scipio Aemilianus, masterpieces of excellent Latin
as of the noblest patriotism; such were the gushing speeches of
Gaius Titius, from whose pungent pictures of the place and the
time--his description of the senatorial juryman has been given
already(31)--the national comedy borrowed various points; such
above all were the numerous orations of Gaius Gracchus, whose
fiery words preserved in a faithful mirror the impassioned
earnestness, the aristocratic bearing, and the tragic destiny
of that lofty nature.