Official name: the United Kingdom of Great Britain and Northern Ireland.

官方正式名称：大不列颠及北爱尔兰联合王国。

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From 1 January 1801 until 6 December 1922, Ireland was part of the United Kingdom of Great Britain and Ireland.

年1月1日至1922年12月6日，爱尔兰是英国和爱尔兰联合王国的一部分。

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United Kingdom consists of Great Britain and Northern Ireland.

陋合王国陨大不列掂和辈爱尔兰组成。

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It was in 1922 that 26 counties of Ireland gained independence from London following negotiations which led to the other six counties, part of the province of Ulster, remaining in the United Kingdom of Great Britain and Northern Ireland.

BBC: Ireland profile

President Obama and the First Lady will welcome Prime Minister David Cameron of the United Kingdom of Great Britain and Northern Ireland and his wife, Samantha Cameron, to the White House for an Official Visit with a State Dinner on March 13-14, 2012.

WHITEHOUSE: The White House

In 1801, the Act of Union between Great Britain and Ireland became effective, creating the United Kingdom.

CNN: Thursday,