Celtic's upcoming Scottish Cup semi-final against St. Mirren at Hampden carries a familiar, and for some fans, an uneasy weight of history. This weekend's clash comes just days after a narrow 1-0 league victory over the same opponent at Celtic Park, a scenario that has proven treacherous for the Hoops in the past.

The memory of 2009 serves as a stark warning. After demolishing St. Mirren 7-0 in a league fixture at Celtic Park, the team traveled to Paisley a week later only to suffer a shocking 1-0 defeat in the Scottish Cup, a classic example of football's unpredictable nature.

Yet, an even more painful chapter exists for long-time supporters, dating back to the 1961/62 season. That campaign, while showing flickers of promise in the league, is remembered for a devastating cup exit. After a typically slow start in the League Cup, Celtic's focus turned to the Scottish Cup, where they faced a St. Mirren side they were expected to dispatch.

Despite a league campaign that saw them challenging the likes of a brilliant Dundee side and Rangers, the cup proved a different story. The details of that specific semi-final loss to St. Mirren remain a sore spot—a "Buddy Awful" day where domestic cup glory slipped away in agonizing fashion. It was a result that underscored how past league form means little when the pressure of a Hampden semi-final takes hold.

As the modern-day Celts prepare to walk out at the national stadium, they carry not just the hope of a support hungry for a double, but also the lessons from history. The message is clear: dominance one week guarantees nothing the next. For a club built on seizing these monumental occasions, this semi-final is about writing a new, victorious chapter and avoiding a repeat of past pitfalls.