**April 20 – Cicero, in Rome, writes to Varro "If our voices are no longer heard in the Senate and in the Forum, let us follow the example of the ancient sages and serve our country through our writings, concentrating on questions of ethics and constitutional law."
**November – Caesar leaves for Farther Hispania to deal with a fresh outbreak of resistance.
**Caesar is elected Pontifex Maximus for life, and reforms the Roman calendar to create the Julian calendar. The transitional year is extended to 445 days to synchronize the new calendar and the seasonal cycle. The Julian Calendar would remain the standard in the western world for over 1600 years, until superceeded by the Gregorian Calendar in 1582.
**Caesar gets drunk and hits a member of the Roman Senate.
