Iceland is showing that Euro 2016 was no fluke.
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Whilst this is the first ever match for Iceland in the World Cup. They were given multiple chances to clear and the ball would eventually fall to the feet of Augsburg's Alfred Finnbogason who duly finished to send the Icelandic hordes in Russian Federation and at home insane.
"If you're going to play in these tournaments then it's even better to be from Iceland and do it, because it's so special", added Saevarsson.
Halldorsson made another good stop to claw away Pavon's unsafe cross and Iceland replaced goal scorer Finnbogason with Bjorn Sigurdarson and they held on despite Messi firing narrowly over in stoppage time.
When the final whistle blew that Icelandic volcano in the corner of the stadium erupted: they have arrived.
Messi failed to give his team the lead when his 64th-minute penalty was stopped by Hannes Halldorsson. There's not much Messi will be able to do about the defense if those mistakes persist.
Argentina is obviously the favorites and the first pick, but they shouldn't take the opposition side lightly.
Two-time World Champions Argentina kick-start their World Cup campaign against debutants Iceland, in what promises to be a tough opening game for La Albiceleste.
Macherano and Biglia will also start in midfield for Argentina.
The crucial moment for Argentina came shortly after intermission, when Lionel Messi was down inside the box.
Iceland may be the smallest country ever to qualify for a World Cup, but Sampaoli was not underestimating his opponents.
While, it was an unbelievable moment for all Messi and Argentina faithful, somewhere the Ronaldo fanatics would have had a hearty laugh, seeing the Argentine miss it from the spot in what could probably have gone on to become the victor for his side.
No Iceland defender was at fault for failing to stop Aguero's goal.