254 BC - Titus Maccius Plautus, a Roman author of comedies, was born. 255 BC - Carthaginians conquested Akragas in Sicily (nowadays known as Agrigento) 256 BC - the naval battle of cape of Ecnomus (Romans defeated Carthaginians)
Messerschmitt Me-263 - German WWII rocket powered fighter 264 BC - Romans routed Carthaginians at the battle of Messana Flettner Fl 265 - German helicopter, which flew first time in 1939
Mikoyan-Gurevich E-266 (one of prototypes derived from the Soviet supersonic fighter MiG-25)
Benedict XVI - 267th pope AD 268 - Roman emperor Gallienus was assassinated
271 BC - Greek philosopher Epicurus died. 272 BC - Pyrrhus, the king of Epirus died. ("Pyrrhic victory") 273 BC - Ashoka, the greatest king of India in ancient times, ascended the throne.