250
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| Millennium: | 1st millennium |
|---|---|
| Centuries: | 2nd century – 3rd century – 4th century |
| Decades: | 220s 230s 240s – 250s – 260s 270s 280s |
| Years: | 247 248 249 – 250 – 251 252 253 |
250 (CCL) was a common year starting on Tuesday of the Julian calendar, the 250th year of the Common Era (CE) and Anno Domini (AD) designations, the 250th year of the 1st millennium, the 50th year of the 3rd century, and the 1st year of the 250s decade.
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.