Acts of Union 1707 previous attempts (in 1606, 1667, and 1689) to unite the two countries by Acts of Parliament, but it was not until the early 18th century that both political establishments came to support the idea, albeit for different reasons. The Acts took effect on 1 May 1707. On this date, the Scottish Parliament and the English Parliament united to form the Parliament of Great Britain, based in the Palace of Westminster in London, the home of the English Parliament. Hence, the Acts are referred to as the Union of the Parliaments. On the Union, the historian Simon Schama said "What began
Constitution of the United Kingdom two Acts of Union which were passed by the Parliaments of both nations. The Treaty, along with the subsequent Acts, brought into existence the Kingdom of Great Britain, uniting the Kingdom of England and the Kingdom of Scotland. Common law legal systems exist in Northern Ireland and in England and Wales, but not in Scotland which has a hybrid system (see Scots law) which includes a great deal of Common Law. Court judgments also commonly form a source of the constitution: generally speaking in English Law, judgments of the higher courts form "precedents" or "case law" that binds lower courts