Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (December 2009)
Millennium: 1st millennium BC
Centuries: 4th century BC – 3rd century BC – 2nd century BC
Decades: 300s BC 290s BC 280s BC – 270s BC – 260s BC 250s BC 240s BC
Years: 279 BC 278 BC 277 BC 276 BC 275 BC 274 BC 273 BC 272 BC 271 BC 270 BC
Categories: Births – Deaths – Architecture
Establishments – Disestablishments