91

year

AI overview

I don't have enough context to write an accurate overview. "91" could refer to the year 1991, 2091, or something else entirely, and without additional information, I cannot provide a reliable explanation of what it is or why it matters.

AI-generated from the Wikipedia summary — may contain errors.

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Encyclopedic overview

AD 91 (XCI) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Consulship of Glabrio and Traianus (or, less frequently, year 844 Ab urbe condita). The denomination AD 91 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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Excerpted from Wikipedia’s “91” article, available under the CC BY-SA 4.0 licence.

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