In April 2018, the United Nations General Assembly declared 3 June as International World Bicycle Day. Leszek Sibilski led a campaign to promote a UN Resolution for World Bicycle Day, eventually gaining the support of Turkmenistan and 56 other countries.

The International Day of Innocent Children Victims of Aggression is a United Nations observance each 4 June. It was established on 19 August 1982. Originally focused on victims of the 1982 Lebanon War, its purpose expanded to "acknowledge the pain suffered by children throughout the world who are the victims of physical, mental and emotional abuse. This day […]

World Environment Day (WED) occurs on 5 June every year, and is the United Nations' principal vehicle for encouraging worldwide awareness and action for the protection of our environment. First held in 1974, it has been a flagship campaign for raising awareness on emerging environmental issues from marine pollution, human overpopulation, and global warming, to sustainable consumption and wildlife crime.

The World Day Against Child Labour, which is held every year on June 12, is intended to foster the worldwide movement against child labour in any of its forms.

International Albinism Awareness Day draw attention to this hereditary genetic characteristic which all too often gives rise to unjustifiable discrimination.

Every year on 14 June, countries around the world celebrate World Blood Donor Day (WBDD). The event, established in 2004, serves to raise awareness of the need for safe blood and blood products, and to thank blood donors for their voluntary, life-saving gifts of blood.

The International Day of Family Remittances (IDFR), celebrated every year on 16 June, is aimed at recognizing the significant financial contribution migrant workers make to the wellbeing of their families back home and to the sustainable development of their countries of origin. It is also aimed at encouraging the public and private sectors, as well as […]

The World Day to Combat Desertification and Drought is a United Nations observance each June 17. Its purpose is to raise awareness of the presence of desertification and drought, highlighting methods of preventing desertification and recovering from drought. Each year's global celebration has a unique, novel emphasis that had not been developed previously.