Samoa became a colony of the German Empire following the Tripartite Convention.
New Zealand troops occupied German Samoa at the start of World War I.
New Zealand gained official control of Samoa as a League of Nations mandate.
Western Samoa was designated as a United Nations Trust Territory.
Western Samoa gained independence on 1 January, becoming a sovereign state.
The country officially returned to its original pre-occupation name, Samoa.
Samoa was admitted to the United Nations as a member state.