Kingdom of Scotland union. In 1707, the two kingdoms were united to form the Kingdom of Great Britain under the terms of the Acts of Union. Following the annexation of the Northern Isles from the Kingdom of Norway in 1472 and final capture of the Royal Burgh of Berwick by the Kingdom of England in 1482, the territory of the Kingdom of Scotland corresponded to that of modern-day Scotland, bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the southwest. The Crown was the most important element of
Unionism in Scotland continued until 1746 and the Jacobite defeat at Culloden. With the Acts of Union 1800, Ireland united with Great Britain into what then formed the United Kingdom of Great Britain and Ireland. The history of the Unions is reflected 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 Northern Ireland chose to remain within what is now called the United Kingdom of Great Britain and Northern Ireland. The 300th anniversary of the union of Scotland and England was marked in 2007. The