Two treaties<span> were signed by ad interim president David G. Burnet and Gen. Antonio López de Santa Anna at </span>Velasco<span> on May 14, 1836, after defeat of the Mexican forces at the battle of San Jacinto.</span>
There are several pieces of evidence that exist that show that Indus Valley civilizations traded with Sumer, but the most significant is in the layers of stone under the ground.