The United Nations Compound in Colombo opened on 10 April 1967 by United Nations Secretary-General U Thant during his visit to Sri Lanka.
Diplomatic Relations with the Republic of Singapore established on 27 July 1970.
Diplomatic Relations with Kuwait established on 19 February 1971.
Diplomatic Relations with the Federal Democratic Republic of Ethiopia
Sri Lanka’s Hamilton Shirely Amerasinghe, was appointed as the President of the 3rd United Nations Conference on the Law of the Sea. The conference resulted in the Law of the Sea Convention, an important document that defines the rights and responsibilities of nations in using the world’s oceans.

