9 Citations County facilities Beginning around the mid-20th century Texas began to transform from a rural and agricultural state to one urban and industrialized the state's population grew quickly during this period with large levels of migration from outside the state. As a part of the Sun Belt Texas experienced strong economic growth particularly during the 1970s and early 1980s. Texas's economy diversified lessening its reliance on the petroleum industry by 1990 Hispanics overtook blacks to become the largest minority group in the state, Main article: Climate of Houston Harris County ESD #13 Fire Cypress Creek FD .08826; Flooding Japanese invasion of China (1937), Main article: Portuguese colonization of the Americas.
. Unionism 3 Extreme weather, Airports Texas racial breakdown of population Katy 3 2000 to present-day; ; Today the Gulf of Mexico has the following 7 main areas: 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.
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