Christmas Island is a sovereign country in Australia-Oceania, with a total land area of approximately 135 sq km. Named in 1643 for the day of its discovery, the island was annexed and settlement began by the UK in 1888 with the discovery of the island's phosphate deposits. Following the Second World War, Christmas Island came under the jurisdiction of the new British Colony of Singapore. The island existed as a separate Crown colony from 1 January 1958 to 1 October 1958 when its transfer to Australian jurisdiction was finalized. That date is still celebrated on the first Monday in October as Territory Day. Almost two-thirds of the island has been declared a national park.
How big is Christmas Island compared to Saint Barthelemy? See an in-depth size comparison.
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