Ku sii wad qodobkan - Millán wuxuu u guuray Orizaba, markii uu ahaa 20 jir, halkaas oo uu ka shaqeeyay sidii dhise-dhise. Sanadkii 1909, intii lagu guda jiray kacaankii Mexico
, wuxuu ku biiray xisbiga Partido Antirreeleccionista (Xisbiga Dib-u-Doorashada), wuxuuna taageeray Francisco I. Madero. Sanadkii 1913 wuxuu ku dagaalamay darajada taliye labaad ee General Cándido Aguilar (División de Oriente) oo ka dhan ahaa Victoriano Huerta, oo si ku meel gaar ah ugu beddelay taliyaha militariga iyo guddoomiyaha Veracruz sanadkii 1915. Bishii Juun 30, 1917, isagoo haysta darajada Brigadier General, wuxuu raacay Carlos Tejada oo ahaa Guddoomiyaha Gobolka Mexico, oo ay taageertay Club Democrático Progresista. Muddadan, wuxuu laba jeer maqnaa sababo milatari awgood. Markii ugu horreysay, Joaquín García Luna ayaa ku soo biiray meeshii uu ka soo bilaabay Sebtember 6, 1918, ilaa Maarso 4, 1919. Markii uu kacdoonkii Agua Prieta qarxay, wuxuu la socday madaxweyne Venustiano Carranza. Waqtigaas, Francisco Javier Gaxiola ayaa ku shaqeeyay meeshii isaga laga bilaabo Sebtember 11, 1919, ilaa Maarso 8, 1920. Millán ayaa ku dhaawacmay dagaalka. Darío López wuxuu noqday gudoomiye ku meelgaar ah Maarso 13, maalmo yar ka hor Millán wuxuu u dhintay dhaawacyadiisa.