However within three weeks of arriving the First World War broke out and Bloomer found himself interned at Ruhleben, a civilian detention camp in the Spandau district of Berlin.

BTuFC Britannia was scheduled to appear in the 1904 national final against VfB Leipzig, regarded at the time as a weaker side despite being the country's defending champion.

After World War I, the club merged with BFC Fortuna and dropped its name association with wartime foe Britain to become Berliner Sport Verein 92.

After the re-organization of German football into sixteen top flight divisions under the Third Reich in 1933, BSV appeared in the Gauliga Berlin-Brandenburg.

After the end of the World War II, most organizations in Germany, including sports and football clubs, were ordered to be disbanded by the Allied administration as part of the process of denazification.

The club took on its old name for the 1948–49 season and as Berliner SV went on to capture divisional titles in 1949 and 1954 before once again going out early in the West German national playoffs.

When the Bundesliga, West Germany's new professional football league, was formed in 1963, the club found itself playing in the second division Regionalliga Berlin.