1920–21 Gillingham F.C. season

The 1920–21 season was the first season in which football club Gillingham F.C. competed in the Football League. Gillingham had previously played in Division One of the Southern Football League, but in 1920 the Football League decided to add a third division to its existing set-up and did so by absorbing the entire Southern League Division One to form the new Football League Third Division.

1920–21 Gillingham F.C. season

The 1920–21 season was the first season in which football club Gillingham F.C. competed in the Football League. Gillingham had previously played in Division One of the Southern Football League, but in 1920 the Football League decided to add a third division to its existing set-up and did so by absorbing the entire Southern League Division One to form the new Football League Third Division.