CLEMENS DEFEAT COTTA
- In Italia: Clemens defeats Cotta in battle near Arretium and executes his eldest son by dismemberment; news of rioting in Rome prevents him from pursuing Cotta.
Essentially most characters would only need to know things between 50CE through to the current time.
AeRo is mostly AU after Caligula. However, the births of a few important dates were put in place to assist in working out ages, etc.