The 1st of January 1AD.
It was the first day of the last year of the 20th century and last year of the 2nd millennium. Some will say it was the first day of the new millennium and 21st century, but that is a common misconception.
The year zero was the year before the first millennium.
The first day of the current millennium was Monday 1 January 2001.
It was the last year of the 20th century and last year of the 2nd millennium. Some will say it was the first year of the new millennium and 21st century, but that is a common misconception, even though there were celebrations for it. The year 2001 was the start of the new millennium.
The first half of the First Millennium BCE.
They are open 365 days a year 24 hours a day Millennium never closes
The first millennium was from the year 1 to 1,000, the second millunium was from 1,001 to 2,000 while the third millennium (which we are now in) is from the year 2,001 to 3,000
A millennium year is the last year of a calendar millennium, so the next one is 3000.
The year 1399 was in the second millennium.
It will be the third millennium, being its final year.
The 2nd Millennium began in the year 1001.
A millennium