Henry Addington of the Tories was appointed by King George III to lead the government of the United Kingdom of Great Britain and Ireland from 1801 to 1804, serving as an interlude between the ministries of Pitt. This ministry is most notable for negotiating the Treaty of Amiens, which marked a brief cessation in the Napoleonic Wars.
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<section end="March 1801 to May 1804" />
- May 1801 – Lord Lewisham (from July Earl of Dartmouth) enters the Cabinet as President of the Board of Control.
- July 1801 – The Duke of Portland succeeds Lord Chatham as Lord President (Chatham remains Master of the Ordnance). Lord Pelham of Stanmer succeeds Portland as Home Secretary.
- July 1802 – Lord Castlereagh succeeds Dartmouth at the Board of Control.
- August 1803 – Charles Philip Yorke succeeds Pelham as Home Secretary.
First Pitt ministry
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Second Pitt ministry