Question: who was reigning monarch of the uk in 1900
Answer: - Strelitz ( 1 ) Maria Fitzherbert Park Lane 15 September 1785 No verified children ( 2 ) Caroline of Brunswick - Wolfenbüttel St James 's Palace 8 April 1795 1 daughter 26 June 1830 Windsor Castle Aged 67 Son of George III William IV William Henry 26 June 1830 -- 20 June 1837 ( 6 years , 360 days ) 21 August 1765 Buckingham Palace Son of George III and Charlotte of Mecklenburg - Strelitz Adelaide of Saxe - Meiningen Kew Palace 13 July 1818 2 daughters 20 June 1837 Windsor Castle Aged 71 Son of George III Victoria Alexandrina Victoria 20 June 1837 -- 22 January 1901 ( 63 years , 217 days ) 24 May 1819 Kensington Palace Daughter of the Duke of Kent and Strathearn and Victoria of Saxe - Coburg - Saalfeld Albert of Saxe - Coburg and Gotha St James 's Palace 10 February 1840 9 children 22 January 1901 Osborne House Aged 81 Granddaughter of George III