The late 1960s marked the golden era of Górnik Zabrze. The Trójkolorowi dominated the domestic scene, winning Polish championships in succession and securing the Polish Cup. The Stadium in Zabrze buzzed with life, and fans expected their league hegemon to finally showcase its potential on the European stage. The 1969/70 season would prove to be the one where Górnik not only played in Europe but nearly conquered it, writing one of the brightest chapters in the history of Polish football.

The European Cup Winners' Cup offered Górnik a chance to compete against football's elite. The first hurdle was Greek side Olympiacos Piraeus, which Górnik confidently overcame with a 5-0 home win and sealing qualification with a 2-2 away draw. In the next round, Bulgarian side Lokomotiv Plovdiv awaited, also proving no match for the Polish powerhouse (3-0 and 1-2). The real test, however, came in the quarter-finals, where fate pitted Górnik against the renowned Scottish club Rangers FC. After a hard-fought battle in Zabrze (3-1) and a dramatic return leg at Ibrox Park (3-1 for Rangers), a third match in Chorzów decided the tie. There, supported by thousands of passionate voices, Górnik showed immense character, winning 3-1 and advancing to the semi-finals.

The semi-final against Italian side AS Roma is a story in itself, a legend of Polish football. After a goalless draw in Rome and a 1-1 draw in Zabrze, a third match was required, again on neutral ground in Strasbourg. That game also ended 1-1, and since penalty shootouts were not used at the time, a coin toss decided the winner. It was Górnik's captain, Stanisław Oślizło, who held the fate of the entire team in his hand. The fortunate toss for the Trójkolorowi secured their historic progression to the final – as the first Polish team ever.

The final was played on April 29, 1970, at the Praterstadion in Vienna, with English club Manchester City as the opponent – a strong team featuring stars like Colin Bell and Francis Lee. Rainy weather and a waterlogged pitch created difficult conditions. Despite a heroic effort and a goal from Włodzimierz Lubański, Górnik succumbed to a 1-2 defeat. The outcome might have been different had circumstances been more favorable, but merely reaching the final was already a colossal achievement.

Although the Cup did not come to Zabrze, the memory of that feat endures to this day. That team, with legends such as Lubański, Szołtysik, Kostka, Oślizło, and Gorgoń, forever etched its name in the annals of the club and Polish football. It was a moment when Górnik Zabrze demonstrated that Polish football could compete with Europe's biggest clubs, instilling pride and inspiring subsequent generations. This European march remains a testament to the Trójkolorowi's extraordinary class and unyielding spirit.