Heidenheim

The club was formed in the year of 2007 through the separation of the football section from parent association Heidenheimer Sportbund, a larger sports club that has 5,800 members in 27 departments.^[] The independence of the football side allows it to operate under the stricter economic standards set for professional clubs which are members of the German Football Association (Deutscher Fußball-Bund or DFB).

Heidenheimer SB itself was founded through the 1972 merger of TSB Heidenheim and VfL Heidenheim.^[] The club's origins go back to 14 August 1846, with the establishment of the gymnastics club Turngemeinde Heidenheim, which folded in 1852, but was re-constituted under the same name in 1861.^[] The club was renamed Turnverein Heidenheim in 1872.

A football department was created within the association on 8 July 1890 and became an independent side known as VfR Heidenheim on 21 August 1922.^[] The swimming club Schwimmverein 04 Heidenheim joined VfR in 1936 to form VfL Heidenheim 04.^[] In 1949, following World War II, these two clubs went their separate ways, the swimmers under their original name, and the footballers as VfL Heidenheim 1890.

In the meantime, parent club TV 1846 Heidenheim was joined on 13 July 1935 by SpVgg Heidenheim and then on 3 April 1937 merged with 1. Sportverein 1900 Heidenheim – which was known as Athletenklub Hellenstein until 1920 – to become TSV 1846 Heidenheim.^[] After the war TSV was united with Turnerbund Heidenheim 1902 whose history was as a worker's club.^[] TB was established on 21 December 1902 and was renamed Turnerbund Heidenheim on 6 August 1904.^[] This club merged with Arbeiterturnverein 1904 Heidenheim on 8 March 1919.^[] Like other worker's clubs, TB was considered as politically unreliable by the Nazi regime and was dissolved in 1933. It was re-established after the war and on 3 February 1946 joined TSV 1846 Heidenheim to form TSB 1846 Heidenheim.

The 27 May 1972 merger of TSB and VfL brought all these threads together, returning the footballers to the fold of the original gymnastics club. Heidenheimer SB and predecessor VfL Heidenheim played in the Amateurliga Württemberg (III) from 1963 to 1975 and again from 1976 to 1979.^[] Regional cup wins led to the team's participation in the opening round of the DFB-Pokal (German Cup) in 1975, 1978, and 1980, before the side slipped into lower level competition.

The club has since recovered and in 2004 advanced to the Oberliga Baden-Württemberg. In 2007, the football department decided to split off from Heidenheimer SB as a legally independent club with retrospective effect from January 1, 2007. A successful season finish in 2008 saw the club being promoted to the Regionalliga Süd.^[] Having simultaneously won the Württemberg Cup, Heidenheim was allowed to participate in the first round of the DFB-Pokal in the following season, where the team lost 0–3 to VfL Wolfsburg.^[] In 2009, Heidenheim finished first in the Regionalliga Süd and got promoted to the 3. Liga.

After five seasons in the 3. Liga with the club always finishing in the upper half of the table, 1. FC Heidenheim won the league in 2013–14, and earned promotion to the 2. Bundesliga for the first time.^[] At the same time the club, however, withdrew its reserve team, playing in the Oberliga Baden-Württemberg, from competition after such teams ceased to be compulsory for professional clubs.

In the 2019–20 season, 1. FC Heidenheim finished third to play against the 16th-placed Bundesliga club, Werder Bremen, in the promotion-relegation play-offs. The tie ended in a 2–2 draw on aggregate, as 1. FC Heidenheim lost on the away goals rule to stay in 2. Bundesliga.

On the final matchday of the 2022–23 season, 1. FC Heidenheim managed to score two goals in the stoppage time to win 3–2 against Jahn Regensburg, in which they finished top of the table ahead of Darmstadt on goal difference and promoted to the Bundesliga for the first time in their history. On 17 September 2023, the club won their first ever Bundesliga match, in a 4–2 home victory against Werder Bremen, on the same day that head coach, Frank Schmidt, set the record as the longest serving manager in the history of German football.