Texas Day by Day

Find out what happened in Texas history.

Victory over French marks origin of Cinco de Mayo celebration

161 years ago today on May 5th, 1862

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On this day in 1862, Mexican general and Texas native Ignacio Zaragoza defeated French expeditionary forces at Puebla, Mexico. This event is celebrated annually as El Cinco de Mayo. Once widely observed throughout Mexico, today it is an official public holiday only in the Mexican state of Puebla, where it is known as El Día de la Batalla de Puebla, or Battle of Puebla Day. However, Cinco de Mayo remains popular in the United States as a celebration of Mexican culture and heritage.

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UT observatory dedicated in Davis Mountains

85 years ago today on May 5th, 1939

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On this day in 1939, the telescope of the University of Texas at Austin McDonald Observatory was dedicated. The observatory, located on Mount Locke near Fort Davis, owes its foundation to the unexpected legacy of William Johnson McDonald, bachelor banker of Paris, Texas, who died in 1926 and left the university $850,000 for the establishment of an astronomical observatory. The university, having no astronomy faculty, signed a thirty-year collaborative agreement with the University of Chicago in 1932, whereby Texas financed the telescope and Chicago provided the astronomers. World War II severely restricted astronomical research in many parts of the world, but McDonald gained the services of several refugee European astronomers. At the end of the war McDonald astronomers received many awards from American and European astronomical societies. Construction of the Hobby-Eberly Telescope on Mount Fowlkes, adjacent to Mount Locke, began in 1994, and it became operational in 1999.

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From Cabeza de Vaca's ship-wreck in 1528 through the Texas Revolution to present day—almost 500 years of recorded history—a myriad of significant events in Texas history have occurred. These events are arranged by day of the year to allow the reader to see into the past on any specific day.

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