La Gran Guerra By adrirona12346 Jul 28, 1914 Inici 1a Guerra Mundial Period: Jul 28, 1914 to Dec 31, 1914 Guerra de Movimients Period: Jan 1, 1915 to Dec 31, 1916 Guerra de posicions Period: Jan 1, 1917 to Dec 31, 1917 Crisi Period: Jan 1, 1918 to Nov 11, 1918 Final del conflicte Nov 11, 1918 Final 1a Guerra Mundial