Scotland's friendly against Wales in Cardiff on Saturday triggers Tartan Army memories of Ninian Park in September 1985.
It was the night they celebrated reaching the play-offs courtesy of a 1-1 draw, where they would go on to beat Australia for a place at the World Cup finals that were being staged in Mexico the following summer.
It was also the night Scottish Football lost the great Jock Stein.
The former Dunfermline and Celtic boss passed away after suffering a heart-attack in the wake of Davie Cooper's late penalty equaliser.
Stein's final tactical decision to send Cooper from the bench in place of Gordon Strachan had paid dividends.
On Saturday morning, six hours before the latest "Celtic" clash between these home nations, there will be a tribute to the man labelled Scottish Football's greatest-ever manager.
Wreath-laying to the sound of a lone piper will take place at the Cardiff City Stadium - Ninian Park's successor - and will feature tributes from the Tartan Army and the Football Association of Wales.
Jock was a total legend for what he achieved at Celtic and Scotland
George Burley
Having played under Stein at the 1982 World Cup in Spain, the current Scotland manager George Burley revealed he was an influential figure.
"I wasn't in Cardiff that night but I was fortunate enough to play at the finals in Spain when he was manager," Burley told BBC Scotland.
"He was a total legend for what he achieved at Celtic and Scotland. Nobody will ever forget him and his legacy will continue for centuries.
"Working under him, he had a charisma and an aura about him, everyone listened when he spoke.
"It was a tragedy when he passed away that night."
The old Ninian Park gate has been taken the short distance to the new ground with the memorial plaque - previously housed in the away dug-out of Cardiff City's old ground - now temporarily attached to the gate.
"Any tribute to Jock Stein is a fitting tribute," the spokesman for the Association of Tartan Army clubs Hamish Husband told BBC Scotland.
"I'll always remember his last interview where he spoke of dignity and how there should be dignity in football - and that statement remains true today.
"There was clearly something going on in the tunnel area after the game but everyone was just delighted having scored late on to make the play-offs.
"We didn't know until we were in our convoy of cars going back north when we heard the news on the radio."
Whilst Stein's legend in Scotland is untouchable, he also had an impact on the Welsh - not just because of his death - but because of a spell playing with Llanelli FC in his formative playing days.
They too will be represented at the tribute.
"I remember the game vividly," current Welsh FA press officer and Welsh football historian Ceri Stennett told BBC Scotland.
"I was sitting in the grandstand, right behind Rod Stewart. I was 25 back then so that was really exciting.
"That and the fact we thought we were in with a real chance of beating Scotland and reaching the World Cup finals, so when we didn't it was disappointing.
Welsh star Robbie James chats to the late Jock Stein before the match
"We also felt the penalty the Scots got should not have been given against Dan Philips because of the speed the ball came at him when it hit his hand.
"Few people knew what was going on until we got home and heard the desperate news that Jock Stein had died. The home doctor was Graham Jones who was still here when I began working at the Welsh FA.
"He did his upmost to save Jock but the memory of his death has stayed in the memory of everyone here.
"In the match programme for this weekend's match there is a photo taken pre-match of Stein having a joke with our goalkeeper Neville Southall - he looked so well and it's awful to think that just over 90 minutes later he would be dead."
Only his assistant that night and then successor - Sir Alex Ferguson - has matched the achievements Stein had in the game with regards Scottish football managers.
In Cardiff on Saturday, Burley and his players, will look to make the best tribute of all for a football man - win.
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