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Commemoration The day is marked at the United Nations Headquarters in New York City with the presentation of the Dag Hammarskjöld Medal , statements by the President of the General Assembly and the Secretary-General a press release regarding the state of UN Peacekeeping missions and the continued necessity of their work .
 Nations, New York City, Assembly
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nations, New York City, Assembly