In the House of Commons of Northern Ireland, Tommy Henderson begins speaking on the Appropriation bill. By the time he sits down in the early hours of the following morning, he had spoken for ten hours.

The House of Commons of Northern Ireland was the lower house of the Parliament of Northern Ireland created under the Government of Ireland Act 1920. The upper house in the bicameral parliament was called the Senate. It was abolished with the passing of the Northern Ireland Constitution Act 1973.

Thomas Gibson Henderson was an Independent unionist politician. He served in the House of Commons of Northern Ireland from 1925 to 1953 in vigorous opposition to the Unionist governments on all issues other than the partition of Ireland, and is famous for having at one stage spoken for nearly ten hours to outline his disagreements.

An appropriation bill, also known as supply bill or spending bill, is a proposed law that authorizes the expenditure of government funds. It is a bill that sets money aside for specific spending. In some democracies, approval of the legislature is necessary for the government to spend money.