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Events

By Topic

Roman Empire

• Pertinax quells the mutiny of the British Roman legions.
• Perennis, his family and many others are executed for conspiring against Commodus.

Asia

• Reign in India of Vasudeva, Kush emperor.

By Topic

Arts and Sciences

• Chinese astronomers observe a supernova.
• Cleomedes discovers the refraction of light by the Earth's atmosphere.

Religion

• Irenaeus writes that there are only four Gospels (approximate date).

Births

• Origen, Christian apologist (approximate date)

Deaths

• S. Datus, bishop of Ravenna (martyred)

185

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