A millennium (pl. -ni⋅ums, -ni⋅a) is a period of time equal to one thousand years (from Latin mille, thousand, and annus, year) numerically to a particular dating system, specifically ones that begin at the starting (initial reference) point of the calendar in question (typically the year 1) or in later years which are whole number multiples of a thousand years after it. The term can also refer to an interval of time beginning on any date. Frequently in the latter case (and sometimes also in the former) it may have religious or theological implications. Especial
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