联合国纪念日
United Nations Observance
International Literacy Day
United Nations Observance
International Day to Protect Education from Attack
United Nations Observance
International Day for South-South Cooperation
United Nations Observance
International Day of Democracy
United Nations Observance
International Day for the Preservation of the Ozone Layer
United Nations Observance
World Patient Safety Day
United Nations Observance
International Equal Pay Day
United Nations Observance
International Day of Sign Languages
United Nations Observance
International Day for the Total Elimination of Nuclear Weapons
United Nations Observance
World Tourism Day
United Nations Observance
International Day for Universal Access to Information
United Nations Observance
International Day of Awareness of Food Loss and Waste
United Nations Observance
World Maritime Day
United Nations Observance
International Translation Day
United Nations Observance
International Day of Older Persons
United Nations Observance
International Day of Non-Violence
United Nations Observance
World Habitat Day
United Nations Observance
World Post Day
United Nations Observance
International Day of the Girl Child
United Nations Observance