246 BCCenturies: 4th century BC - 3rd century BC - 2nd century BC
- In Rome, the number of praetors is increased from one to two
- Ying Zheng, the later "first emperor" (Qin Shi Huang Di), becomes King the Qin Dynasty of China.
- Seleucus II Callinicus becomes King of the Seleucid dynasty.
- Ptolemy III becomes King of Egypt.