April 21 is San Jacinto Day in Texas, commemorating the anniversary of the Battle of San Jacinto.It is one of the 14 Texas Honor Days designated by the Daughters of the Republic of Texas.On this date in 1836, General Sam Houston and the Texas Army defeated Santa Anna’s Mexican troops, winning independence for Texas in a decisive battle that lasted only eighteen minutes.April 21 has been celebrated every year since the battle, and in a joint resolution, the 14th Texas Legislature of 1874 pronounced April 21 as San Jacinto Day, a legal state holiday.San Jacinto Day is also a day ...