The United Nations observes milestone anniversaries of key events in its history.
2018
70th anniversary of UN Peacekeeping
2018
70th anniversary of the Convention on the Prevention and Punishment of the Crime of Genocide
2018
25th Anniversary of UN Disaster Assessment and Coordination
2018
25th anniversary of the Vienna Declaration and Programme of Action
2018
20th anniversary of the UN Declaration on Human Rights Defenders
2015
70th anniversary of the founding of the United Nations
2015
Thirty-fifth anniversary of the United Nations Institute for Disarmament Research (A/RES/70/69)
2012
60th anniversary of the UN Disarmament Commission (11 January)
2012
40th anniversary of the Seabed Treaty (18 May)
2012
20th anniversary of the Declaration on the Rights of Minorities (18 December)
2011
50th Anniversary of the death of Dag Hammarskjöld (18 September)
2011
25th Anniversary of the Chernobyl Disaster (26 April)
2009
20th Anniversary of the Adoption by the General Assembly of the Convention on the Rights of the Child
2008
60th Anniversary of UN Peacekeeping Operations
2008
60th Anniversary of the Universal Declaration of Human Rights
1998
50th Anniversary of the Universal Declaration of Human Rights