The Roman Emperors
Michael Grant
Diocletian's tetrarchy and administrative revolution, the empire remade before Constantine.
The World During Their Reign
The most notable rulers who held power elsewhere at the same time, from European courts to Ottoman, Mughal, and Chinese thrones.
Meanwhile in history
One “meanwhile in history” story each week: who ruled where, and what was happening on thrones across the world.
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Further Reading
Well-regarded biographies and histories to go deeper on Diocletian's life and times.
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