The Start of the New Millennium The year 2000 is nearly here. It is time to settle the question everyone asks and no one cares about: When does the new millennium begin? One side insists on January 1, 2000. The other side holds out for January 1, 2001. The only way to settle it is to compromise. Therefore, the new millennium begins on July 1, 2000. The issue is hereby declared settled.