The Battle of Silao took place on 10 August 1860 in the vicinity of Silao in Guanajuato state, Mexico, between elements of the liberal army, under the command of General Jesús González Ortega and Ignacio Zaragoza with a force of 8,000 men and elements of the conservative army commanded General Miguel Miramón by commanding an army of 3,282 during the War of Reform.

González Ortega was able to conceal his maneuvers while Miramón had to rest his soldiers after two hours of fighting and the terrible fire of the powerful liberal artillery.

At 8:15 am, after 3 hours of tremendous attacks the conservative army fled, completely defeated and abandoned all their artillery, baggage, ammunition and military equipment to the Liberals as well as a large number of prisoners, including several generals.

"After a hard-fought battle in which ha Mexican blood flowed profusely, D. Miguel Miramón was defeated by the forces under my command, leaving in my hands an immense train of artillery, weapons, ammunition, flags, bodies and hundreds of prisoners, a few generals and many officers.

"[citation needed] Liberal troops occupied Silao, Querétaro, Celaya and Guanajuato.