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 between the Church of England and the kirk. While it referred repeatedly to 'union' between England, Scotland, and Ireland, it did not explicitly commit to political union which had little support even among their English supporters. Even religious union was fiercely opposed by the Episcopalian majority in the Church of England and Independents like Oliver Cromwell. The Scots and English Presbyterians came to see the Independents who dominated the New Model Army as a bigger threat than the Royalists and when Charles I surrendered in 1646, they agreed to restore him to the English throne. Both Royalists and Covenanters agreed