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Ireland's history is marked by a long struggle for independence from British rule. The Act of Union in 1801 formally united Great Britain and Ireland, abolishing the Irish Parliament and integrating Ireland into the United Kingdom. This union persisted until 1922, following the Irish War of Independence.

A significant event in this struggle was the Easter Rising of 1916. This republican insurrection, though initially unpopular, gained widespread support after the execution of its leaders, fueling the movement for an independent Irish state. The Anglo-Irish Treaty of 1921 led to the establishment of the Irish Free State, while six counties in the north opted to remain part of the United Kingdom, forming Northern Ireland. This partition has been a source of ongoing political and social complexities.

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