15Centuries: 1st century BC - 1st century - 2nd century
- Valerius Gratus is appointed Prefect of Judaea.
- Emona (currently Ljubljana) is founded.
- Legio XXI Rapax is stationed in Regensburg.
- September 24 - Vitellius, Roman Emperor.
- November 6 - Agrippina the younger, Roman empress (or possibly 16) (+ 59)
For the number 15, see fifteen.