Kingdom of Hanover years of George III's reign and the reigns of kings George IV and William IV from 1816 to 1837, was Adolph Frederick, George III's youngest surviving son. When Queen Victoria succeeded to the British throne in 1837, the 123-year personal union of Great Britain and Hanover ended. Salic law operated in Hanover, excluding accession to the throne by a female while any male of the dynasty survived; thus instead of Victoria, her uncle in the male-line of the House of Hanover, Ernest Augustus, now the eldest surviving son of George III, succeeded to the throne of the new kingdom as
Monarchy of the United Kingdom of the United Kingdom and Hanover came to an end. The Victorian era was marked by great cultural change, technological progress, and the establishment of the United Kingdom as one of the world's foremost powers. In recognition of British rule over India, Victoria was declared Empress of India in 1876. However, her reign was also marked by increased support for the republican movement, due in part to Victoria's permanent mourning and lengthy period of seclusion following the death of her husband in 1861. Victoria's son, Edward VII, became the first monarch of the House of Saxe-Coburg and Gotha in 1901.