The following year in 1921 the ABA decided to introduce eliminating rounds and the Country was split into four Regions to assist in identifying a champion.

[6] In 1971, the 'light flyweight' category (48 kg) was included in the National Championship for the first time.

[9] By 1994, the ABA Championships became a purely English affair as Scottish and Welsh boxers could no longer compete due to disagreements over rules and regulations.

The inaugural Championships were held at St James Hall, London on 18 April 1880.

In 1926, the Championships moved to the Royal Albert Hall London after moving around different venues within the Capital City (St. James Hall, Alexandra Palace, Northampton Institute, Holborn Central Hall, Royal Aquarium, Her Majesty's Theatre, People's Palace and the Holland Park Ring).