The present work describes the general events of the anticlerical policies of the liberal governments, the consequences, the opposition of religious groups arises, which tried to repeal the law that went against the Catholic Church. However, the government never gave in to the constitutional reform, the Church saw the need to gain strength to confront the State, until reaching the armed struggle, known as the Cristero war. Particularly, this research focuses on the Cristero movement in Michoacán, pointing out the municipalities with the greatest participation, above all it studies the political and social impact that it achieved during the armed struggle that lasted three years. As much as the State and Church confrontations became increasingly bloody, everything seemed to have no end. There was no other way out than to reach an agreement and put an end to this conflict that began in 1929 between the two institutions and began to cease the confrontations until the end of the armed movement was achieved.
El presente trabajo, se describe los acontecimientos generales de las políticas anticlericales, a consecuencias, surge la oposición de grupos religiosos, que trataban de derogar la ley que iban en contra de la Iglesia católica. Sin embargo, el gobierno nunca cedió a la reforma constitucional, la Iglesia vio la necesidad de organizarse para enfrentar al Estado, hasta llegar a la lucha armada, conocido como la guerra cristera. En esta tesina se enfoca en el movimiento cristero en Michoacán, puntualizando los municipios con mayor participación, sobre todo se estudia el impacto político y social que llegó a lograr durante la lucha armada que duró tres años. Un conflicto cruel y sangrienta, todo parecía no tener fin. No hubo otra salida más que llegar a un arreglo y ponerle fin a este conflicto entre las dos instituciones y, comienza a cesar los enfrentamientos hasta lograr el fin del movimiento armado.
