Estándar 102 By Adrián Gómez Jerez Period: May 17, 1886 to Apr 14, 1931 Reinado de Alfonso XIII 1902 Mayoría de edad de Alfonso XIII Period: Jul 25, 1909 to Aug 2, 1909 Semana Trágina en Barcelona Period: Jul 28, 1914 to Nov 11, 1918 I Guerra Mundial Period: Mar 8, 1917 to Jun 16, 1923 Revolución Rusa Period: Jul 22, 1921 to Aug 9, 1921 Desastre de Annual Period: Sep 13, 1923 to Jan 28, 1930 Dictadura de Miguel Primo de Rivera Period: Apr 14, 1931 to Apr 1, 1939 II Republica Española