They won the European cup in 1968 and the Champions league in 1999.
Chelsea have won the Champions league only once. They won their first and only Champions league in 2012.
Borussia Dortmund, the german club, won the Champions League in 1997. It was their very first Champions League triumph.
No American has won the Champions League to my knowledge.
Glasgow Rangers have never won the Champions League.
Liverpool won the Champions League in 1977
Real Madrid won the very first Champions league in 1956. They defeated Stade de Reims 4-3 in the final.
Messi has two champions league medals. First he won in 2006 and second in 2008.
Nobody. There was no Champions League in 1950. The very first season of the competition was 1955/56.