>>> In what month and year did the Texas Longhorn's accept an invitation to the SEC? - elapsed 2.476 seconds - The Texas Longhorns joined the Southeastern Conference (SEC) in the year 2012, and they became members in the month of August. This addition marked a significant milestone for both the Longhorns and the SEC, as the conference expanded its membership to 14 teams. The Texas Longhorns are a storied football program with a rich history, and their addition to the SEC brought a new level of competition and exposure to the conference. The SEC is one of the Power 5 conferences in college football, and the Longhorns' membership has only strengthened the league's position as a leader in the sport. If you have any other questions about the Texas Longhorns, the SEC, or any other topic, feel free to ask! I'm here to help.