Important dates from exploration and colonization By Samwel dietz 1718 BCE San Antonio founded 1519 Pineda maps Gulf of Mexico 1537 Cave a de cacao reports on explorations in Texas 1682 Establish first mission at Corpus Christi de la ysleta 1682 1685 La sale settle fort St. Louis 1687 Father Hidalgo caused the Spanish to be suspicious of French colonization 1690 Established the mission San Francisco’s de los Texas I. East Texas 1st missionin east Texas 1719 East Texas missions are moved to San antiono 1720 Mission San Jose is completed in San antion and other missions are built