In 2004, Mainz 05 experienced one of the most significant moments in its history as they fulfilled the dream of promotion to the Bundesliga for the first time. Under the guidance of coach Jürgen Klopp, the team had an outstanding season in the 2. Bundesliga, securing promotion with an impressive second-place finish.

The Nullfünfer, who were challengers in the 2003/04 season, showcased remarkable teamwork characterized by a strong defense and a creative midfield. Players like Ivan Klasnić and Andreas Ivanschitz were crucial to the success, ensuring that the fans in Mainz dreamed of playing in the Bundesliga.

The final home match of the season against 1. FC Köln was the pinnacle of this journey. The atmosphere in the stadium was electric as fans awaited the promotion. When the final whistle blew, a wave of jubilation swept through the arena, engulfing the entire stadium. Mainz 05 fans celebrated not only the promotion but also the beginning of a new era for the club.

The ascent to the Bundesliga marked a turning point for the Nullfünfer, providing the club with the opportunity to showcase itself on a larger stage. In the following years, Mainz 05 became an established Bundesliga team, known not only for its fighting spirit but also for its passionate supporters. The historic promotion in 2004 remains an unforgettable moment in the club's history and is cherished by its fans.

The initial steps in the Bundesliga were not without challenges, but the determination and team spirit of Mainz 05 were undeniable. Despite setbacks, the club stayed true to its philosophy and continued to evolve. Fans know that the promotion in 2004 was not just a sporting achievement, but also a symbol of the club's unwavering will to carve out a place in the landscape of German football.