ocr: Uriginally discovered by the Polynesians, Tonga was visited by the Dutch in the 17th century and Captain Cook in the 18th. In the latter half ofthe 19th century, during the reign of. King George Tupou 1, the islands became a unitied state after a period of civil war. . 1875 First constitution established by King George Tupou I. 1900 Concern over German ambitions inl region leads to signing of Ireaty ofFriendship and Protection with UK. 1918-1965 Reign of Queen Salote Tupou III. 1958 Greater autonomy from UK enshrinedin Friendship Ireaty. . 1965 Ring Taufa'ahau Tupou IV accedes upon mother's de ...
