321

Year 321 (CCCXXI) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Crispus and Constantinus. The denomination 321 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.


Year 321 (CCCXXI) was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Crispus and Constantinus. The denomination 321 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
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