A detailed , first-hand account of the battle Hostile_encounter was written Writing by General Houston from Headquarters of the Texian Army , San Jacinto , on April 25 , 1836 .

On April 21 , Houston 's army staged Self_motion a surprise assault Attack on Santa Anna and his vanguard force at the Battle of San Jacinto .

Buoyed by a desire for revenge Revenge , the Texians defeated Conquering the Mexican Army at the Battle Hostile_encounter of San Jacinto , on April 21 , 1836 , ending Process_end the rebellion Change_of_leadership .