World Cup co-hosts South Korea beat Portugal 1-0 on Friday, to win a place in the next round of the competition.
Hundreds of thousands of South Koreans celebrated in one of the biggest outpourings of national fervour their country has ever seen.
Thousands of red T-shirted Korean fans went wild in the stadium at Incheon
Similar scenes were played out in the streets - where up to a million people had gathered outside giant open-air screens
Even the country's Buddhist monks were glued to their televisions
One Irish fan also got caught up in the excitement
When Korea scored the only goal of the match, the fans erupted with joy
As the final whistle went, the Korean players celebrated while their opponents left in despair
The crowd roared its approval, letting off fireworks and dancing in the streets
Until this tournament, South Korea had never won a World Cup match, but now they seem a force to be reckoned with