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 Union 1707 1567, Mary was forced to abdicate as Queen of Scots and replaced by her infant son James VI and I, who was brought up as a Protestant and became heir to the English throne. After Elizabeth died in 1603, the two Crowns were held in personal union by James and his Stuart successors but England and Scotland remained separate entities. When James became King of England in 1603, the creation of a unified Church of Scotland and England governed by bishops was the first step in his vision of a centralised, Unionist state. On his accession, he announced his intention