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General

Population: Between 190 and 230 million*

• Births: Roman comedian Platus (254 or 250 BC)
• Philosophy: Arcesilaus founds Second Academy of Athens (250 BC)
• Religion: Theravada Buddhism reaches south India (250 BC)
  Hebrew scriptures translated into Greek (Septuagint) (255 BC or 250 BC)
• Technology: Parchment produced at Pergamum (250 BC)
• Warfare: Roman fleet defeats Carthaginians (156 BC)
• Deaths: Bucolic poet Theocritus of Greece (250 BC)

Asia

• China: Qin of China deposes last Zhou king (256 BC)
  Start of Ch'in Dynasty about this time (255 BC)
• India: Buddhism becomes state religion of Mauryan empire (256 BC)
  Theravada Buddhism reaches south India (250 BC)
  Asoka the emperor erects 40 foot column inscribed with laws (250 BC)

Europe

• Britain: Invasion by La Tene - unsuccessful siege (250 BC)
• Greece: Antigonus II Gonatus liberates Athens (255 BC)
• Roman Empire: Rome takes Panormus in Sicily from Carthage (254 BC)
  First Roman prison - The Tullianum - created (250 BC)
• Russia: Siberian Traps erupt (250 BC)

Middle East

• General: Foundation of Greco-Bactrian kingdom in central Asia (to India) to 1225 BC (256 BC)
• Persia: Arsaces I founds Parthian kingdom on edge of Persia (255 BC or 250 BC)
• Turkey: Parchment produced at Pergamum (250 BC)