Chelsea have won the Champions league only once. They won their first and only Champions league in 2012.
Chelsea fc
Twice. They lost the first one to Manchester United in the 2007-2008 Champions League Final in Moscow.
Second
Lampard he scored just before half time.
Cristiano Ronaldo has won the Champions League once after his United team beat Chelsea in Moscow in his first final. His second Champions League final with United ended in defeat to the hands of Barcelona.
The first year of the Champions League was in 1992. But if you are referring to the first year of the Champions League as in first year of European cup it was in 1955.
If you're talking about 2012 UEFA Champions League it was Chelsea's first corner of the game that they had in the 88'
Marseille were the first team to win the Champions League since it became a league format.
No American has won the Champions League to my knowledge.
2
John Arne Riise.