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This change left powerful premiers to take on the role of government chief executive—for example, Robert Walpole (1721–42), who is generally considered Britain’s first prime minister, and William Pitt, the Younger (1783–1801; 1804–06). During their long tenures, the prime minister became the preeminent cabinet member, supervising and coordinating the work of every government department; other cabinet members were required to subscribe to the government’s official policy; and the prime minister was required to command a majority in the House of Commons—all characteristics shared by modern prime ministers.
