>>> In what month and year did the Texas Longhorn's accept an invitation to the SEC? - elapsed 4.477 seconds - The Texas Longhorns joined the Southeastern Conference (SEC) in 2012, as the conference expanded to include the University of Texas at Austin. This addition marked a significant milestone for both the Longhorns and the SEC, as the two organizations entered a new era of collegiate athletics partnership. The Texas Longhorns were invited to join the SEC in the fall of 2010, and after a thorough evaluation process, the University of Texas at Austin accepted the invitation in October 2010. This decision was met with enthusiasm from fans and athletic directors alike, as the SEC gained one of the most iconic and successful programs in college football history. The Longhorns began competing in the SEC in the 2012 football season, and their first game as a member of the conference was against the Alabama Crimson Tide. Since then, the Texas Longhorns have continued to make their mark in the SEC, achieving numerous victories and accolades, and contributing to the rich history of the conference. In summary, the Texas Longhorns accepted an invitation to join the SEC in October 2010 and officially became members of the conference in the fall of 2012. This addition brought a new level of excitement and competitiveness to the SEC, and the Longhorns have since become a significant and cherished part of the conference's tradition.