Example image of eyePlorer eyePlorer map for '1823': Common year starting on Monday Common year starting on Wednesday Gregorian calendar Julian calendar Roman numerals February 3 Gioachino Rossini Semiramide Agustín de Iturbide First Mexican Empire March 19 April 13 Franz Liszt Ludwig van Beethoven June 5 Raffles Institution (Secondary) July 1 Mexico North America Basilica of Saint Paul Outside the Walls July 15 Peru September 10 Simón Bolívar Golden plates Joseph Smith, Jr. September 22 Pope Pope Leo XII Pope Pius VII September 28 1875 Lone Horn Miniconjou November 15 October 16 Sioux Americas December 2 Europe Monroe Doctrine Sphere of influence United States Absolute monarchy Ferdinand VII of Spain Francisco Goya Merriam–Webster Mid-nineteenth century Spain Saturn Devouring His Son Spanish Constitution of 1812