Early history
The area now called Kiribati has been inhabited by Micronesians speaking the same Oceanic language since sometime between 3000 BC and AD 1300. The area was not isolated; invaders from Tonga, Samoa, and Fiji later introduced Polynesian and Melanesian cultural aspects, respectively. Intermarriage tended to blur cultural differences and resulted in a significant degree of cultural homogenisation.
Colonial era
The islands were first sighted by British and American ships in the late 18th and early 19th centuries. The main island chain was named the Gilbert Islands in 1820 by a Russian admiral, Adam von Krusenstern, and French captain Louis Duperrey, after a British captain named Thomas Gilbert, who crossed the archipelago in 1788 when sailing from Australia to China.
From the early 19th century, Western whalers, merchant vessels and slave traders visited the islands, introducing diseases and firearms. The first British settlers arrived in 1837. In 1892 the Gilbert Islands consented to become a British protectorate together with the nearby Ellice Islands. They were administered by the Western Pacific High Commission based in Fiji. Together they became the crown colony of the Gilbert and Ellice Islands in 1916. Christmas Island (or Kiritimati) became part of the colony in 1919 and the Phoenix Islands were added in 1937. Sir Arthur Grimble was a cadet administrative officer based at Tarawa (1913-1919) and became Resident Commissioner of the Gilbert and Ellice Islands colony in 1926.
Tarawa Atoll and others of the Gilbert group were occupied by Japan during World War II. Tarawa was the site of one of the bloodiest battles in US Marine Corps history. Marines landed in November 1943; the Battle of Tarawa was fought at Kiribati's former capital Betio on Tarawa Atoll.
Some of the islands of Kiribati, especially in the remote Line Islands, were formerly used by the United States and United Kingdom for nuclear
