Important dates from exploration and colonization By William-aka-memelord 1519 Pineda maps the Gulf of Mexico 1537 Cabeza de vaca reports on exploitations in Texas 1682 Establish first mission at Corpus Christi 1685 La Salle settles Fort St. Louis 1687 Father Hidalgo caused the Spanish to be suspicious of French colonization 1690 Established the mission San Francisco de los Texas in east Texas 1718 San Antonio founded 1719 East Texas missions are moved to San Antonio 1720 Mission San Jose is completed in San Antonio and other missions are built