The Welsh Ambush Belgium, Reach First-Ever Semi-Finals
FIFA's second-ranked football nation surely had to be on their guard.
Their internationals on English clubs saw Leicester City come out of nowhere to win the Premiership.
Plus, if Iceland's results haven't put the traditional powers on notice, arrogance reigns.
The Red Devils may not have been overconfident coming into their match with Wales, but their swagger was still evident.
They clearly had more talent and transfer value on the pitch than the Welsh, but that combination hasn't been as predictable these days.
The Dragons have a system, and everyone from Gareth Bale to the water boy have bought into it. That was the great equalizer in Wales' 3-1 triumph that put them through to the Euro 2016 semi-finals.
The principality's populace -- three million in all -- hasn't been able to celebrate a football triumph of this magnitude since 1958.
Radja Nainggolan's shot was as sharp as his hair.
But Wales' sheer determination got them back in the game, as typified by captain Ashley Williams only a quarter-hour later:
Gareth Bale is teaching his mates how to head the ball, it seems.
Hal Robson-Kanu provided the turning point of this underdog story when he scored the goal of his life to give Wales the lead:
Free agent that, Reading!
Putting a stake into any hope Belgium had at redemption, Sam Vokes flicked that up in short order:
All the stars fell to the ground this day.