<P> The Battle of San Jacinto , fought on April 21 , 1836 , in present - day Harris County , Texas , was the decisive battle of the Texas Revolution . Led by General Sam Houston , the Texian Army engaged and defeated General Antonio López de Santa Anna 's Mexican army in a fight that lasted just 18 minutes . A detailed , first - hand account of the battle was written by General Houston from Headquarters of the Texian Army , San Jacinto on April 25 , 1836 . Numerous secondary analyses and interpretations have followed , several of which are cited and discussed throughout this entry . </P>
<P> The Battle of San Jacinto , fought on April 21 , 1836 , in present - day Harris County , Texas , was the decisive battle of the Texas Revolution . Led by General Sam Houston , the Texian Army engaged and defeated General Antonio López de Santa Anna 's Mexican army in a fight that lasted just 18 minutes . A detailed , first - hand account of the battle was written by General Houston from Headquarters of the Texian Army , San Jacinto on April 25 , 1836 . Numerous secondary analyses and interpretations have followed , several of which are cited and discussed throughout this entry . </P>
when did the battle of san jacinto happen
when did the battle of san jacinto happen
April 21 , 1836
April 21 , 1836