Established in 1945 by the United Nations
Preceded by the Permanent Court of International Justice (PCJI) which operated under the League of Nations
Established by the Rome Statute
Established January 1, 1995 by the Uruguay Round negotiations
Established in 1982 by the UN Convention on the Law of the Sea (UNCLOS)
Established May 23, 1993 by UN Security Resolution 827/1993
Established November 8, 1994 by UN Security Resolution 955/1994