250

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[edit] Events

  • Diophantus writes Arithmetica the first systematic treatise on algebra.
  • A group of Franks penetrate as far as Tarragona in Spain (approximate date).
  • Goths invade Moesia.
  • The Alamanni drive the Romans from the modern area of Donau-Ries.
  • Decius begins a period of persecution of the Christians in the Roman Empire.
  • Teotihuacán is rebuilt as a four-quartered cosmogram by Zapotec architects brought from Monte Albán in Oaxaca.
  • Kofun Period begins in Japan.

[edit] Births

[edit] Deaths