Charlton v China: when football club sides and national teams collide

"In 1999, to celebrate their centenary, Barcelona drew 2-2 with Brazil at Camp Nou. What other teams have played against nations and when was the first recorded club v country clash?" asks Masai Graham. When The Knowledge was growing up, the phrase "club v country" usually referred to Ryan Giggs pulling out of another Wales friendly, so we were pleasantly surprised by the volume of answers to this question. Let's start with a bit more on that game between Barcelona and Brazil, taken from an old Joy of Six on club v country friendlies. Who could possibly be miserable when…