Leaving the 20th Century is a recording of the so-called 'Manic Millennium' concert by the Welsh rock band Manic Street Preachers, released 2000. The concert, which also celebrated the 10th anniversary of the band, was performed on the New Year's Eve night 1999-2000 at the Millennium Stadium in Cardiff, in front of around 80 000 fans. The event became international as the final song of the event was broadcast live all over the world through satellites.