Borussia Dortmund Football Club (abbreviated as "Dortmund", English name: Borussia Dortmund) was founded in 1909, officially named Borussia 09 Dortmund, commonly referred to as Dortmund. It is a German professional sports club located in Dortmund, North Rhine-Westphalia, nicknamed "The Yellow Wall". The football team was established in 1909 by 18 football players from Dortmund and is part of a large membership-based sports club.
From 1946 to 1963, the team competed in the German West Football League, which dominated German football in the late 1950s. In 1956, the club won its first national championship by defeating Karlsruher SC 4-2. In 1963, the club became one of the first 16 Bundesliga clubs by winning the last national championship before the Bundesliga was established.
In the 2019-20 season, the "Klopp" era began, leading Borussia Dortmund back to the top. Building on the previous season, they improved and finished fifth in the Bundesliga, qualifying for the Europa League. A year later, they successfully defended their Bundesliga title, capping off the 2011-12 season perfectly. Borussia Dortmund is one of four German clubs to have won both the Bundesliga and the DFB-Pokal double.