2001 ⟶ Gregorian Calendar Marks Start of 3rd Millennium and 21st Century
January 1: The 3rd millennium and 21st century began per Gre...
Year
2000
2001
🎉 New Year's Day Celebrates Start of 3rd Millennium (Debated)
January 1: The first day of the 3rd millennium is celebrated on New Year's Day; though with dispute.⟶
CalendarTimekeeping
📅 Gregorian Calendar Marks Start of 3rd Millennium and 21st Century
January 1: The 3rd millennium and 21st century began per Gregorian calendar.⟶
CalendarTimekeepingChronologyGregorian Calendar