Short answers, pulled from the story.
The AFC Championship Game is the annual title game of the American Football Conference, one of two semifinal playoff games in the NFL. The two teams remaining after the Wild Card round and Divisional round of the AFC postseason play for the conference title, with the winner advancing to the Super Bowl.
The first AFC Championship Game was played on the 3rd of January, 1971, following the 1970 regular season. It was a direct result of the merger between the NFL and the American Football League, which required the creation of two equal conferences.
The Lamar Hunt Trophy is awarded to the winner of the AFC Championship Game, beginning with the 1984-85 NFL playoffs. It is named after Lamar Hunt, the founder of the AFL and the founder and longtime owner of the Kansas City Chiefs. The current design, created by Tiffany and Co. for the 2010-11 playoffs, features a silver hollow football shape intended to echo the Vince Lombardi Trophy.
The New England Patriots have won the most AFC Championships, with 12 victories. They also hold the record for most consecutive appearances, playing in eight straight AFC title games from 2011 through 2018.
The largest margin of victory is 48 points, set on the 20th of January, 1991, when the Buffalo Bills defeated the Los Angeles Raiders 51-3. That game also produced the most points scored by a single team in AFC Championship history.
Three AFC Championship Games have gone to overtime: Denver over Cleveland in 1986, New England over Kansas City in 2018, and Cincinnati over Kansas City in 2021. The Kansas City Chiefs have lost in overtime twice, the most such losses in the game's history.