Scotland an English invasion, played a leading role in convincing the Scots elite to back a union with England. On 22 July 1706, the Treaty of Union was agreed between representatives of the Scots Parliament and the Parliament of England. The following year twin Acts of Union were passed by both parliaments to create the united Kingdom of Great Britain with effect from 1 May 1707 with popular opposition and anti-union riots in Edinburgh, Glasgow, and elsewhere. With trade tariffs with England now abolished, trade blossomed, especially with Colonial America. The clippers belonging to the Glasgow Tobacco Lords were the fastest
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