- Liu Xuan, a descendant of the Han Dynasty royal family and leader of insurgents agianst Xin Dynasty, proclaimed himself emperor against Wang Mang.
- Aelius Sejanus begins to dominate the Roman Senate, after the death of Drusus Julius Caesar.
- Pliny the Elder, Roman scientist and writer
- Drusus Julius Caesar, son of the Emperor Tiberius, poisoned
For the number 23, see twenty-three.