Hanoi hosts various venerable educational institutions and cultural venues of significance, including the Vietnam National University, the Mỹ Đình National Stadium, and the Vietnam National Museum of Fine Arts. Amongst its achievements, it has a UNESCO World Heritage Site— The Central Sector of the Imperial Citadel of Thăng Long, first constructed in 1011AD. Hanoi was the only Asia-Pacific locality to be granted the "City for Peace" title by the UNESCO on 16 July 1999, recognizing its contributions to the struggle for peace, its efforts to promote equality in the community, protect the environment, promote culture and education and care for younger generations. Hanoi joined UNESCO's Network of Creative Cities as a Design City on 31 October 2019, on the occasion of World Cities' Day. The city has also hosted numerous international events, including APEC Vietnam 2006, 132nd Assembly of the Inter-Parliamentary Union (IPU-132), 2019 North Korea–United States Hanoi Summit, as well as the 2003 Southeast Asian Games, 2009 Asian Indoor Games, and the upcoming 2021 Southeast Asian Games.