Liverpool’s Georginio Wijnaldum celebrates after scoring their third goal against Barcelona. (AFP/Paul ELLIS) Here AFP Sport looks at three things we learned from one of Anfield’s greatest European nights: INCREDIBLE LIVERPOOL MAKE HISTORY Given the size of the task seemingly facing Liverpool, it was no surprise to hear Jurgen Klopp had warned his wife not to expect a celebration when he returned home from Anfield. “I don’t tell my missus ‘wait for me at home, we will have a party after the game because we’ll win it’. We have to work for it,” Klopp had said when asked about the 3-0 first leg deficit. Yet, against all odds, Klopp’s side will face Ajax or Tottenham in the final after one of the greatest nights in their glorious history. Liverpool, five-time European champions, are only the third team in the history of the European Cup/Champions League to come from three goals down after the first leg of a semi-final and progress to the final, following in the footsteps of Panathinaikos in 1970-71 and Barcelona in 1985-86. Only Deportivo La Coruna in 2004, Barcelona in 2017 and Roma in 2018 had overturned a three-goal first leg deficit to win Champions League knockout…