It's seven years since the Republic of Ireland and Northern Ireland met in the ill-fated Carling Nations Cup. With the disappointment of the Thierry Henry handball behind them and Euro 2012 still to come, how well do you remember the somewhat experimental starting XI from that afternoon?
With a friendly international to come this Thursday, the fortunes of Northern Ireland have changed dramatically since the day they arrived in 2011.
Qualifying for the 2016 European Championships, Michael O'Neill has infused a side going nowhere with a sense of purpose that has manifested itself in some special results over the last few years.
Hammering the side Nigel Worthington brought to Dublin 5-0, you'll need some memory to remember the starting XI Giovanni Trapattoni opted for.
Seemingly replete with an abundance of defence options, it is difficult in retrospect to establish what formation Ireland could possibly have been playing. Giving you the assigned squad numbers from that day, you'll have 5 minutes to wrack your brains and locate the appropriate players.
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