on Aug 2, 2017
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| MEASUREMENTS | 15 g / 13 mm | The assassination of Alexander Severus in 235 led to the Crisis of the Third Century in which 26 men were declared emperor by the Roman Senate over a fifty-year period
At its height under Trajan, it covered 5 million square kilometres, [2] [4] a territory composed of 48 nations in the 21st century
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