In what time period did Spain establish significant missions in Texas?

Spain established significant missions in Texas primarily during the time period from 1619 to 1716. This era marks the height of Spanish missionary activity in the region, as the Spanish sought to expand their influence and convert the Indigenous populations to Christianity. Missions served not only religious purposes but also acted as centers for developing agricultural and economic communities, which were essential for the colonial expansion. The establishment of missions during this time was a pivotal part of Spanish colonization efforts, as they helped create a foothold in Texas for Spain, facilitating further exploration and settlement.

The other periods mentioned are less relevant to the establishment of significant missions in Texas. The earliest option, which spans from 1492 to 1536, focuses on the Age of Discovery and early exploration rather than organized missionary activity. The time frame from 1700 to 1750 reflects ongoing activities but is more about consolidation and the challenges faced rather than the establishment phase. The final option, spanning from 1776 to 1800, came after the initial wave of mission establishment and primarily relates to the later development and decline of these missions rather than their foundation. Thus, the time from 1619 to 1716 is crucial for understanding the establishment and role of missions in Texas history.