History of the formation of the United Kingdom Kingdom of England (which included Wales and controlled Ireland) and the Kingdom of Scotland. The once independent Principality of Wales fell under the control of English monarchs from the Statute of Rhuddlan in 1284. The Union of Crowns in 1603, the accidental consequence of a royal marriage one hundred years earlier, united the kingdoms in a personal union, though full political union in the form of the Kingdom of Great Britain required a Treaty of Union in 1706 and Acts of Union in 1707 (to ratify the Treaty). The Act of Union 1800 united the Kingdom of Great Britain with
Acts of Parliament of the United Kingdom relating to the European Communities and the European Union Acts of Parliament of the United Kingdom relating to the European Communities and the European Union This is a list of current, amended, spent and repealed Acts of the Parliament of the United Kingdom relating to its membership of the European Communities and the European Union from 1972 to the present. Some of the acts (particularly the European Communities Act 1972 and the European Union (Withdrawal) Act 2018 represent some of the most important constitutional legislation currently on the statue book . This act legislated for the accession of the United Kingdom to the European Communities which later became the