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  This is the first time that white people found Hawaii
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  The islands were originally called the Sandwich islands by English Captain James Cook in 1778. After that, many people migrate to Hawaii.
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  Polynesian ruler Kamehameha controls the entire islands of Hawaii in 1791.
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  Hawaii is placed under the protectorate of Great Britain by Vancouver in 1794
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  The first Protestant missionaries arrive from New England in 1820
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  U.S. enters into treaty with Hawaii. U.S. tried to control Hawaii.
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  Hawaii adopts its first constitution in 1840
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  Japanese attacked Pearl Harbor in 1941. United States joined World War Two