This article is about the year. For the number 100, see One hundred.
- The Portland Vase is believed to have been made in Alexandria some time between 20 BC and this year.
- Pliny the Younger advances to consulship.
- The Temple of the God of Medicine is built in Anguo, China.
- Lions have become extinct in Europe by this date.
- Marcus Cornelius Fronto, Roman grammarian, rhetorician and advocate (approximate date).
- Justin Martyr, Christian apologist (approximate date).