Constitutional monarchy Act 1689, which placed similar limits on the Scottish monarchy. Although Queen Anne was the last monarch to veto an Act of Parliament when, on 11 March, 1708, she blocked the Scottish Militia Bill, Hanoverian monarchs continued to selectively dictate government policies. For instance King George III constantly blocked Catholic Emancipation, eventually precipitating the resignation of William Pitt the Younger as prime minister in 1801. The sovereign's influence on the choice of prime minister gradually declined over this period, King William IV being the last monarch to dismiss a prime minister, when in 1834 he removed Lord Melbourne as a
Monarchy of the United Kingdom the Queen granted his request as Heath had already failed to form a coalition. The resulting general election gave Wilson a small majority. The monarch could in theory unilaterally dismiss the prime minister, but in practice the prime minister's term nowadays comes to an end only by electoral defeat, death, or resignation. The last monarch to remove the prime minister was William IV, who dismissed Lord Melbourne in 1834. The Fixed-term Parliaments Act 2011 removed the monarch's authority to dissolve Parliament; however the Act specifically retained the monarch's power of "prorogation", which is a regular feature of the parliamentary calendar.