The Whigs' Lack of Political Success in the Period 1783-1815 There are a number if contributing factors, both long and short term that led to the downfall of the Whig party in the years 1783-1815. Firstly, the Whig party itself had alienated themselves from the King, George III. Unlike Pitt, whose success derived directly from the Kings favour, the Whigs had continued to express their views against royal patronage. The Whigs believed the power of the monarch should be reduced and made