Who ended the Peaky Blinders in real life

Unlike the gang of the TV series, the Peaky Blinders had faded into obscurity by the 1920s. The outbreak of the Great War undoubtedly had an impact on their dominance, and over time, the gang was usurped by Billy Kimber’s Birmingham Boys, who in turn were ousted from power by the Sabini gang in the 1930s.