But four days later and hours after Ireland had bounced back with a 4-1 victory over the Faroe Islands, the Germans surrendered a 4-0 lead over Sweden to draw 4-4 in Berlin to throw the race for World Cup qualification wide open once again.
Trapattoni and his players will travel to Germany in October for what will be their penultimate Group C fixture, but they will do so with the Nottingham Forest striker insisting they can match Sweden's achievement.
He said: "Listen, if they can go there and score four, I don't see why we can't. We are a very good team away from home as well, so if we took that approach into that game, then...
"You never know, you might get picked off and get another defeat, but at the end of the day, if you go and have a go, you never know what can happen, do you?"
That horrific evening at the Aviva Stadium will live long in the memory for those who witnessed it, and certainly those fans who turn up for Wednesday night's friendly at Greece, the first home game since the debacle.
However, while Cox admits it was a black night, he believes the response in Torshavn started the recovery process, but went unnoticed to a certain extent.
He said: "The Germany defeat was highlighted because of the result, but no-one really gave us the big plaudits that we deserved for the Faroes result.
"We played pretty well in that game and scored four good goals, and everyone was still talking about the Germany result. Obviously, the Faroes is one that we probably expected to win, but I thought we played really well in that game."