The Football League, established in 1888, is the oldest professional football league in the world. It originally consisted of 12 teams, including famous clubs like Aston Villa and Everton. Over the years, the league has expanded and now includes multiple divisions, with the top tier known as the EFL Championship. The Football League operates under the umbrella of the English Football League (EFL), which also includes the EFL League One and EFL League Two. Teams compete for promotion to higher divisions and to avoid relegation to lower ones, making the league highly competitive and exciting for fans.