1. On November 19, 1836, the Texas Congress officially approved the Republic of Texas Constitution, which established the independent Republic of Texas. The constitution was modeled after the United States Constitution and emphasized individual rights and limited government.

2. November 19, 1863, marked the date of Abraham Lincoln's Gettysburg Address, which is regarded as one of the most important speeches in American history. Although not directly related to Texas, the speech served as a reminder of the ongoing Civil War and the importance of preserving the Union.

3. One of Texas' most celebrated authors, C.S. Lewis, was born on November 19, 1898. Although he was born in Ireland, Lewis spent much of his adult life in England and wrote several beloved books, including The Chronicles of Narnia series.

4. On November 19, 1936, the City of San Antonio opened its first public library. The library, located in downtown San Antonio, was originally housed in a former post office building and contained over 2,000 books.

5. Texas Tech University was founded on November 19, 1923, in Lubbock, Texas. Originally known as Texas Technological College, the university has since grown to become a major public research institution with more than 40,000 students. Notable Texas Tech alumni include former football coach Kliff Kingsbury and former U.S. Senator Kay Bailey Hutchison.