October 24, 2015
"All Members shall settle their international disputes by peaceful means in such a manner that international peace and security, and justice, are not endangered."
- Charter of the United Nations, Chapter 1, Article 2
October 24 is United Nations day. This year, the U.N. celebrates the 70th anniversary of its founding.
"The Charter of the United Nations was signed on 26 June 1945, in San Francisco, at the conclusion of the United Nations Conference on International Organization, and came into force on 24 October 1945. The Statute of the International Court of Justice is an integral part of the Charter." - U.N. website