Cologne - On Saturday 24 August 1963, Hamburger SV were one of 16 clubs to get the ball rolling in the newly-formed Bundesliga, starting out with a 1-1 draw at SC Preußen Münster.
A clock inside HSV's home stadium has been ticking ever since that game, commemorating the length of time they have been a Bundesliga club, but it could come to a stop this weekend, with Hamburg's proud record as a top-flight presence on the line against FC Schalke 04 (kick-off 15:30 CEST / 13:30 GMT).
bundesliga.com takes a look at what could prove to be an historic encounter in Germany's second city...
Click here to find your local broadcaster for this match
Hamburg: Adler - Diekmeier, Djourou, Westermann, Ostrzolek - Kacar, Jiracek - Stieber, Ilicevic, Olic - Lasogga
Schalke: Fährmann - Barnetta, Matip, Nastasic, Aogo - Höger, Neustädter - Farfan, Meyer, Choupo-Moting - Huntelaar
The drama of the relegation battle has been simulated by EA Sports on FIFA 15 this week. You can check out how it ended in the video below, courtesy of the Bundesliga's official YouTube channel.