270

Millennium:	1st millennium
Centuries:	2nd century – 3rd century – 4th century
Decades:	240s  250s  260s  – 270s –  280s  290s  300s
Years:	267 268 269 – 270 – 271 272 273

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Emperor Aurelianus

Year 270 (CCLXX) was a common year starting on Saturday of the Julian calendar.

Roman Empire

• Emperor Claudius II Gothicus dies. He is succeeded by his brother Quintillus.
• Quintillus commits suicide. He is succeeded by Lucius Domitius Aurelianus.
• Aurelianus pushes the Goths back across the Danube and recovers Roman land.
• The Romans leave Utrecht because the Germanic tribes keep fighting.
• Crisis of the Third Century: An economic crisis starts in the Roman empire.

Technology

• The Chinese invent gunpowder. At first, it appears to be used only for fireworks.

Births

• November 20 – Maximinus II, Roman Emperor
• Nicholas of Myra (Santa Claus) (d. 343)
• Rabbah bar Nahmani, Babylonian 'amora
• Saint Spyridon, bishop of Trimythous (d. 348)

Deaths

• St. Valentine (executed by Claudius II) (Possible year)
• Claudius II, Roman Emperor (b. 213)
• Quintillus, Roman emperor
• Plotinus, father of Neo-Platonism (b. c. 205) (approximate date)
• Jingu of Japan, possibly legendary empress of Japan
• Luo Xian, general of the Kingdom of Shu
• Qiao Zhou, minister of the Kingdom of Shu (b. 201)