. When Francisco Coronado and the Spaniards first explored the Rio Grande Valley in 1540 in modern New Mexico some of the chieftains complained of new diseases that affected their tribes Cabeza de Vaca reported that in 1528 when the Spanish landed in Texas "half the natives died from a disease of the bowels and blamed us." When the Spanish conquistadors arrived in the Incan empire a large portion of the population had already died in a smallpox epidemic the first epidemic was recorded in 1529 and killed the emperor Huayna Capac the father of Atahualpa Further epidemics of smallpox broke out in 1533 1535 1558 and 1565 as well as typhus in 1546 influenza in 1558 diphtheria in 1614 and measles in 1618.:133.
US 90.svg U.S Highway 90 a.k.a - Crosby Freeway, Treasurer Dylan Osborne Democratic Hostile native tribes and distance from nearby Spanish colonies discouraged settlers from moving to the area it was one of New Spain's least populated provinces in 1749 the Spanish peace treaty with the Lipan Apache angered many tribes including the Comanche Tonkawa and Hasinai the Comanche signed a treaty with Spain in 1785 and later helped to defeat the Lipan Apache and Karankawa tribes. With more numerous missions being established priests led a peaceful conversion of most tribes By the end of the 18th century only a few nomadic tribes had not converted to Christianity. 9.3 Emergency Services Districts, in Houston for 2018 Prevailing winds are from the south and southeast during most of the year which bring heat and moisture from the nearby Gulf of Mexico and Galveston Bay, 3.4 Deep East Texas.
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