On March 27, 1836, Santa Anna instructed the Mexican commander to execute 303 Texans captured. They were shot here at point blank range only days after they surrendered.

Goliad massacre

The Goliad Massacre, set in the town of Goliad on March 27, 1836, was an execution of Republic of Texas soldier-prisoners and their commander, James Fannin, by the Mexican Army. The massacre was reluctantly carried out by General Jose de Urrea under orders of the President of Mexico, Antonio Lopez de Santa Anna.

• http://en.wikipedia.org/wiki/Goliad massacre
• Gwynne, S. C., 2010, Empire of the Summer Moon: Quanah Parker and the Rise and Fall of the Comanches, the Most Powerful Indian: Simon & Schuster, New York, 371p.