the millennium

noun

Definition of the millennium

: the beginning of the third period of a thousand years counted from the beginning of the Christian era : the year 2000 We had a party to celebrate the millennium.

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“The millennium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20millennium. Accessed 22 Sep. 2020.

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