Italy is the World's No. six while South Korea is only No. 40 by FIFA rankings..
Italy led the match in the first half with wild tackles. Christian Vieri made a score in the 8th minute.
However, Sul Ki-hyeon equalized for the Korean team in the 88th minute.
In the extra time, Ahan Jung-hwan made a golden goal at the 20th minute.
The Koren team opened a new chapter in the world's soccer history.
Millions of Koreans took to the streets, celebrating the victory. The supporters in the stadium cried in an overwhelming joy.
Earlier in the day, Turkey beat Japan in Miyagi, breaking the hearts of the Japanese and Italy beat South Korea in Daejeon.
Umit Davala scored on a header off a corner kick in the 12th minute, putting Turkey in the quarterfinals for the first time, against Senegal.
Japan, in the second round for the first time, was cheered on by a loud crowd in blue shirts in the rain. After the game, many of them sobbed in the stands, while Turkish fans back in Istanbul poured into the streets and squares to celebrate.
Brazilian-born midfielder Alessandro Santos came closest to tying the score, but his curling free kick from the edge of the box crashed off the crossbar in the 41st minute.
Turkey is in the World Cup for only the second time and had been absent since 1954.