Partition of Ireland
The partition of Ireland () divided the island of Ireland into two distinct jurisdictions, Northern Ireland and Southern Ireland. It took place on 3 May 1921 under the Government of Ireland Act 1920. Today the former is still known as Northern Ireland and forms part of the United Kingdom, while the latter is now a sovereign state also named Ireland and sometimes called the Republic of Ireland.
Irish republicanism
In 1921, Ireland was partitioned. Most of the country became part of the independent Irish Free State. However, six out of the nine counties of Ulster remained part of the United Kingdom as Northern Ireland. In the 1921 elections in Northern Ireland,