38 BCE
It was also the first year (year 1) of the Spanish era calendar in use in Hispania until the 15th century.
Geopolitics & Diplomacy
- January 1 – Beginning of the Hispanic era.source
Conflict & Security
- Octavian appoints Marcus Vipsanius Agrippa governor of Transalpine Gaul, where he puts down an uprising of the Aquitanians. He also fights successfully against the Germanic tribes, and becomes the next Roman general to cross the Rhine after Julius Caesar.source
Culture & Society
- January 17 – Octavian marries Livia while she is still pregnant from a recently broken marriage. Octavian gained permission from the College of Pontiffs to wed her while she is still pregnant from another husband. Three months after the wedding she gives birth to a second son, Nero Claudius Drusus, while he and his elder brother, the four-year-old Tiberius, are living in Octavian's household.source