Dawson Massacre. Occurred in this vicinity on September 18, 1842 when Captain Nicholas Mosby Dawson and 53 men from La Grange, in attempting to join Captain Mathew Caldwell (Old Paint) and his company of Texas Volunteers during the Battle of the Salado, were surrounded by Mexican Forces and 36 slain. 15 were taken prisoners, only 3 escaped. #1182