Robert Peel In 1830 the Whigs finally returned to power and Peel became a member of the Opposition for the first time. After successive election defeats, leadership of the Conservative Party gradually passed from Wellington to Peel, and when King William IV asked Wellington to become Prime Minister in November 1834, he declined and Peel was selected instead, with Wellington serving as caretaker until Peel took office. Peel then issued the Tamworth Manifesto (December 1834), laying down the principles upon which the modern British Conservative Party is based. His first ministry was a minority government, dependent on Whig support and with Peel
Monarchy of the United Kingdom by the Acts of Union 1800. From 1811 to 1820, George III suffered a severe bout of what is now believed to be porphyria, an illness rendering him incapable of ruling. His son, the future George IV, ruled in his stead as Prince Regent. During the Regency and his own reign, the power of the monarchy declined, and by the time of his successor, William IV, the monarch was no longer able to effectively interfere with parliamentary power. In 1834, William dismissed the Whig Prime Minister, William Lamb, 2nd Viscount Melbourne, and appointed a Tory, Sir Robert Peel. In the