Monarchy of Ireland and Ireland in a personal union. The Union of the Crowns in 1603 expanded the personal union to include Scotland. The personal union between England and Scotland became a political union with the enactments of the Acts of Union 1707, which created the Kingdom of Great Britain. The crowns of Great Britain and Ireland remained in personal union until it was ended by the Acts of Union 1800, which united Ireland and Great Britain into the United Kingdom of Great Britain and Ireland from January 1801 until December 1922. After that date, most of Ireland left the United Kingdom to
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Kingdom relating to the European Communities and the European Union This is a list of current, amended, spent and repealed Acts of the Parliament of the United Kingdom relating to its membership of the European Communities and the European Union from 1972 to the present.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