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BATTLE // September 8, 1847

Battle of Molino del Rey

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Overview

The Battle of Molino del Rey was one of the bloodiest engagements of the Mexican–American War as part of the Battle for Mexico City. It was fought in September 1847 between Mexican forces under General Antonio León against an American force under Major General Winfield Scott at El Molino del Rey on the fringes of Mexico City. The Americans made little progress in this battle, but the Mexican forces were unable to hold them back long enough to prevent the capture of Mexico City one week later. Ulysses S. Grant served as a captain during this battle.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Molino del Rey was one of the bloodiest engagements of the Mexican-American War, fought on the fringes of Mexico City as part of the broader American campaign to capture the Mexican capital. Despite making little progress during the engagement itself, American forces under Major General Winfield Scott were not repelled decisively enough to alter the campaign's trajectory. Mexican forces, though able to contest the attack, could not hold their positions long enough to prevent the fall of Mexico City one week later. The battle thus functioned as a costly but ultimately inconclusive preliminary to the final assault on the capital, illustrating the high toll of the urban approaches even when tactical results were limited. Ulysses S. Grant served as a captain during the engagement.

Forces & casualties

Troop strength

  • United States9,800
    medium
  • Mexico4,000
    medium

United States fielded a 2.5 : 1 numerical advantage

Casualties

  • États-Unis116–799
    medium
  • Mexique269–769
    medium

Commanders (5)

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Related

6 sibling battles · 2 factions

Last verified June 2026
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