1490? - Álvar Núñez Cabeza de Vaca was born this year; he was an early Spanish explorer of the New World.
Explored the U.S. states of Texas, New Mexico and Arizona on foot from coastal Louisiana to Sinaloa, Mexico.
1537 - He went on to Mexico City and returned to Europe.
1540 - Appointed governor of Río de la Plata, in what is now Paraguay, Argentina and surroundings.
1542 - He wrote about his experiences in a report for Emperor Charles V and was published this year.
1545 - Political intrigue against him caused his arrest in Asunción and return to Spain.
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