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 justices of the peace in each shire to carry out administration. In effect it took the day-to-day government of Scotland out of the hands of politicians and into those of the College of Justice. In the year following the Union, the Treason Act 1708 abolished the Scottish law of and extended the corresponding English law across Great Britain. Scotland benefited, says historian G.N. Clark, gaining "freedom of trade with England and the colonies" as well as "a great expansion of markets". The agreement guaranteed the permanent status of the Presbyterian church in Scotland, and the separate system of laws and