Unionism in England possession) and Scotland was created by the Acts of Union, passed in the parliaments of both kingdoms in 1707 and 1706 respectively, which united the governments of what had previously been independent states (though they had shared the same monarch in a personal union since 1603) under the Parliament of Great Britain. The Union was brought into existence under the Acts of Union on 1 May 1707. With the Act of Union 1800, the Kingdom of Ireland united with Great Britain into what then formed the United Kingdom of Great Britain and Ireland. The history of the Unions is reflected
Unionism in England in various stages of the Union Flag, which forms the flag of the United Kingdom. The larger part of Ireland left the United Kingdom in 1922, however the separation of Ireland which originally occurred under the Government of Ireland Act 1920 was upheld by the British Government and the Unionist-controlled devolved Parliament of Northern Ireland, and chose to remain within the state today, which is now officially termed the United Kingdom of Great Britain and Northern Ireland. The 300th anniversary of the union of Scotland and England was marked in 2007. In England, support for the Union has traditionally been