20

year

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The year 20 AD was a time during the Roman Empire when Emperor Tiberius ruled and the Roman world was experiencing relative stability after Augustus's reign. While it wasn't marked by major historical events compared to other years, it falls within an important period of early imperial Roman history that shaped the development of Western civilization.

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Commons category: 20
point in time: 0020-01-01

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AD 20 (XX) was a leap year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Marcus Valerius Messalla Barbatus and Cotta (or, less frequently, year 773 Ab urbe condita). The denomination 20 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.