The Millennium Summit was a meeting among many world leaders, lasting three days from 6 to 8 September 2000,[1][2] held at the United Nations headquarters in New York City. Its purpose was to discuss the role of the United Nations at the turn of the 21st century.[3] At the meeting, world leaders ratified the United Nations Millennium Declaration.[4] This meeting was the largest gathering of world leaders in history as of 2000.[3] It was followed five years later by the World Summit, which took place from 14 to 16 September 2005.