This is a list of the United Nations (UN) observances. The list includes all types of observances (such as celebratory, commemorative, and awareness days or weeks).
The majority of observances have been established by resolutions of the United Nations General Assembly, although some have been designated by UN specialized agencies. These observances include many kinds of topic, all related to the UN main works, including peace, tobacco, discrimination, diseases, illegal drugs.
As the UN explained,
These six languages are the official languages of the UN.
These are the labels for the observances in specific subdivisions of the UN including World Health Organisation.