Looked over UGA’s previous schedules going back to before the AP poll era.
I don’t think they’ve ever (EVER) played an away game at AP #1.
On the Texas side, this is the first time Texas has hosted a Top 5 matchup as #1 since 1970 (vs #4 Arkansas). First time ever at night (1970 Arkansas game was an afternoon kick according to Wikipedia).
So we can say this is the first time #1 Texas has ever hosted a Top 5 matchup at night in prime time.
People have pointed and will point to the 2006 game against Ohio State (1v2) as a high profile game, but in my opinion that game doesn’t stack up to this game vs UGA or the 1970 Arkansas game. 2006 Texas was not a true Top 5 team; preseason ranking due to 2005 team’s accomplishments. This current game and the 1970 Arkansas game were mid to late season matchups featuring teams that have/had earned their rankings (to a degree).
Please feel free to fact check and let me know if I overlooked something!