Important Historical Events of the year 293, Year 293 in History

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List of 293 Major News Events in History, Most Important Historical Events in 293

What happened in the year 293?

Date	Event
March 1, 293	Emperor Diocletian and Maximian appoint Constantius Chlorus and Galerius as Caesars. This is considered the beginning of the Tetrarchy, known as the Quattuor Principes Mundi ("Four Rulers of the World").
May 21, 293	Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy.