|International Day for Biological Diversity celebrated worldwide||22 May 2017|
|World Day for Cultural Diversity for Dialogue and Development 2017 observed||21 May 2017|
|World Meteorological Organisation launches Year of Polar Prediction||17 May 2017|
While the official International Day of United Nations Peacekeeper’s Day is on 29 May, UN Headquarters in New York celebrated the day on 24 May 2017.
The Day aims to protect the turtles and tortoises and their rapidly disappearing habitats across the world.
The International day for Biological Diversity was observed across the world with theme ‘Biodiversity and Sustainable Tourism’ to highlight the contribution of sustainable tourism to economic growth and conservation of biodiversity.
In December 2002, the UN General Assembly in its resolution declared 21 May as the World Day for Cultural Diversity for Dialogue and Development.
The Year of Polar Prediction (YOPP) is one of the key elements of the Polar Prediction Project.
The theme for WTISD-17 is Big Data for Big Impact. The theme focuses on the power of Big Data for development and aims to explore how to turn imperfect, complex, often unstructured data into actionable information in a development context.
The day of families seeks to reinvigorate the policies and initiatives that strengthen the family unit, which is the core building block of the society.
It was the same date in 1998 when India successfully conducted first among the five nuclear tests in Pokhran.
The WMBD 2017 highlights the interdependence of people and nature, and more especially people and migratory animals - in particular birds, as they share the same planet and thus the same limited resources.
Indian Prime Minister Narendra Modi will be visiting Colombo on 11 May 2017 to attend the International Day of Vesak festival that is going to be held there from 12-14 May.
On 2 March 2010, the UN General Assembly invited all its organizations, Member States, NGOs and individuals to observe 8-9 May in an appropriate manner to pay tribute to all victims of the Second World War.
World Asthma Day is an annual event organized by the Global Initiative for Asthma (GINA) to improve asthma awareness and care.
The World Press Freedom Day was observed globally on 3 May 2017. The day’s celebrations were led by UNESCO with a high-level event and the UNESCO/Guillermo Cano World Press Freedom Prize ceremony.
The International Labour Day is celebrated to commemorate the happenings of 4 May 1886, the Haymarket affair (Haymarket Massacre) in the Chicago.
Ganga Swachhta Sankalp Divas was observed in more than 30 locations across India through the support of National Mission on Clean Ganga’s volunteer wing, Ganga Vichaar Manch.
The Day was attended by UNESCO Director-General Irina Bokova, and UNESCO Goodwill Ambassador for Intercultural Dialogue Herbie Hancock in Cuba.
The Third Review Conference of States Parties to the Chemical Convention held in April 2013 in the Hague, the Netherlands, adopted a political declaration that confirms the unequivocal commitment of the States Parties to the global chemical weapons ban.
The year 2017 marks the halfway point in the Global Vaccine Action Plan (GVAP). The GVAP was endorsed by 194 Member States of the World Health Assembly in May 2012.
This year, ILO’s campaign focuses on the critical need for countries to improve their capacity to collect and utilize reliable occupational safety and health (OSH) data.
The theme of the year explores how innovation makes lives healthier, safer and more comfortable.
Due to the explosion, nearly 8.4 million people in the three countries were exposed to the radiation.
In sub-Saharan Africa, Malaria case incidence and death rates fell by 21 per cent and 31 per cent respectively.
The day is observed every year to mark the passing of the Constitution (73rd Amendment) Act, 1992, which came into effect on 24 April 1993.
Authors, publishers, booksellers, librarians around the world joined the celebrations of World Book and Copyright Day 2017.
English Language day is observed every year on 23 April to celebrate the multilingualism and cultural diversity of the UN.
This year's theme highlights the fact that education is the foundation for progress. The world today needs a global citizenry fluent in the concepts of climate change and aware of its unprecedented threat to the earth.
The first United Nations Chinese Day was held on 12 November 2010 at the United Nations Headquarters in New York.
The United Nations is planning to issue special stamps with the images of the sacred Indian sound ‘Om’ to commemorate the International Yoga Day this year.
The World Hemophilia Day was celebrated across the world on 17 April with the theme ‘Hear their Voices.
The day is aims at raising awareness of the importance of protecting and preserving various sites around the world that have achieved world heritage status.