Decades: 300s BC 290s BC 280s BC 270s BC 260s BC - **250s BC** - 240s BC 230s BC 220s BC 210s BC 200s BC

Years: 264 BC 263 BC 262 BC 261 BC 260 BC - **259 BC** - 258 BC 257 BC 256 BC 255 BC 254 BC

- First Punic War: The Romans capture Corsica and Sardinia.

- Prince Ying Zheng, later Emperor Qin Shi Huang Di of the Qin Dynasty of China.