Acts of Union 1800 when repealed in 1962. Before these Acts, Ireland had been in personal union with England since 1541, when the Irish Parliament had passed the Crown of Ireland Act 1542, proclaiming King Henry VIII of England to be King of Ireland. Since the 12th century, the King of England had been technical overlord of the Lordship of Ireland, a papal possession. Both the Kingdoms of Ireland and England later came into personal union with that of Scotland upon the Union of the Crowns in 1603. In 1707, the Kingdom of England and the Kingdom of Scotland were united into a single
Unionism in Scotland continued until 1746 and the Jacobite defeat at Culloden. With the Acts of Union 1800, Ireland united with Great Britain into what then formed the United Kingdom of Great Britain and Ireland. The history of the Unions is reflected in various stages of the Union Flag, which forms the flag of the United Kingdom. The larger part of Ireland left the United Kingdom in 1922 however Northern Ireland chose to remain within what is now called the United Kingdom of Great Britain and Northern Ireland. The 300th anniversary of the union of Scotland and England was marked in 2007. The