18 September 1809 Posted on September 17, 2022 by Staff The Royal Opera House in London opens. Famous Words of Inspiration..."Health consists with temperance alone." Alexander Pope — Click here for more from Alexander Pope Related posts: 18 September 1809 18 September 1809 18 September 1809 7 December 1732 26 September 1905 9 October 1986 28 December 1065 30 June 1905 20 March 1916 30 June 1905