AI overview
I don't have enough context to write an accurate overview. You've indicated the context is "year," but "1000" could refer to the year 1000 CE, the number 1000, or something else entirely. Could you provide more specific information about what "1000" refers to?
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Article
1000 (M) was a leap year starting on Monday of the Julian calendar, the 1000th year of the Common Era (CE) and Anno Domini (AD) designations, the 1000th and last year of the 1st millennium, the 100th and last year of the 10th century, and the 1st year of the 1000s decade. As of the start of 1000, the Gregorian calendar was 5 days ahead of the Julian calendar, which was the dominant calendar of the time.
In the proleptic Gregorian calendar, it was a non-leap century year starting on Wednesday (like 1800).