公元2000年首届联合国卫塞节 First United Nations Day of WESAK in 2000.
An international day of Vesak was recognised by the United Nations on 15 December 1999. Vesak falls on the full moon day of May. The proposal to declare Vesak as an international public holiday was tabled at the United Nations General Assembly by Sri Lanka. Vesak is the most important Buddhist holiday in the Buddhist calendar that celebrates three important events—the birth, full awakening, and the passing away—of the historical Buddha Siddhartha Gautama. United Nations Day of Vesak is now internationally celebrated iin the UN offices and UNESCO. The first Vesak celebration in the UN was held on 15 May 2000, 34 countries were represented.