![British Together on X: "Today 1 Jan 1801, Union with Ireland Act 1800 (GB Parliament) + Act of Union 1800 (Ireland Parliament) came into law http://t.co/WPve0OqycA" / X British Together on X: "Today 1 Jan 1801, Union with Ireland Act 1800 (GB Parliament) + Act of Union 1800 (Ireland Parliament) came into law http://t.co/WPve0OqycA" / X](https://pbs.twimg.com/media/B6TU2uQCQAANPA3.png)
British Together on X: "Today 1 Jan 1801, Union with Ireland Act 1800 (GB Parliament) + Act of Union 1800 (Ireland Parliament) came into law http://t.co/WPve0OqycA" / X
![The Irish Act of Union, 1800: Bicentennial Essays : Brown, Michael, Kelly, James, Geoghegan, Patrick: Amazon.de: Bücher The Irish Act of Union, 1800: Bicentennial Essays : Brown, Michael, Kelly, James, Geoghegan, Patrick: Amazon.de: Bücher](https://m.media-amazon.com/images/I/61JXmy1Xe8L._AC_UF894,1000_QL80_.jpg)
The Irish Act of Union, 1800: Bicentennial Essays : Brown, Michael, Kelly, James, Geoghegan, Patrick: Amazon.de: Bücher
![Prof. Frank McDonough on X: "1 January 1801. The Acts of Union (1800), which created the United Kingdom of Great Britain and Ireland, became legally effective. The Union flag is an amalgamation Prof. Frank McDonough on X: "1 January 1801. The Acts of Union (1800), which created the United Kingdom of Great Britain and Ireland, became legally effective. The Union flag is an amalgamation](https://pbs.twimg.com/media/GCvoQyQXYAAU9KR.jpg)