Robert Banks Jenkinson, 2nd Earl of Liverpool, was Britain's longest serving prime minister since William Pitt the Younger. Liverpool's tenure in office (1807-1827) oversaw a series of seismic events including the War of 1812 with the United States, the endgame of the Napoleonic Wars and the Congress of Vienna, the Corn Laws, the Peterloo Massacre, and the emerging issue of Catholic Emancipation. However, Liverpool's overall status within British political history has been overshadowed by contemporaries such as Castlereagh and Canning, and his reputation and achievements were downplayed by...