And as far as the attempted yankee invasion of Texas was concerned, Sabine Pass changed the course of the war between the states here.
But still, my point of analogy was that the forces that faced off at Sabine Pass were up against odds as great if not greater than Thermopylae. The numbers compare, especially the final stand of the 300 spartans against an invasion force of several thousand. 44 confederates stood at Sabine Pass against an invasion force of several thousand. See the picture?