House of Hanover Great Britain and Ireland:" "Of the United Kingdom of Great Britain and Ireland:" George I, George II, and George III also served as electors and dukes of Brunswick-Lüneburg, informally, Electors of Hanover (cf. "personal union"). From 1814, when Hanover became a kingdom, the British monarch was also King of Hanover. In 1837, the personal union of the thrones of the United Kingdom and Hanover ended with the death of William IV. Succession to the Hanoverian throne was regulated by semi-Salic law (agnatic-cognatic), which gave priority to all male lines before female lines, so that it passed not to Queen Victoria
Congress of Hanover dramatically less important the role was in the 18th century. Congress of Hanover The Congress of Hanover took place in the Electorate of Hanover in 1752. It was convened by the British government who wished to agree up a schedule for the election of the next Holy Roman Emperor. All of the eight voting German electors were invited to attend, as was a representative of France. The Congress lasted, intermittently, from June until October 1752. The British wanted a swift election of their favoured candidate, the Austrian heir apparent Joseph, Duke of Lorraine. The British Secretary of State the Duke