I think it was Cardiff.
chelsea
Arsenal did but no London club has reached it.
Real Madrid.
Juventus lost to Real Madrid in the 1998 Champions League final.
ac milan played Liverpool in champion league final.
Chelsea won the 2013 Europa League final.
Brighton
Nottingham forest
Jackie Robinson's first major league team was the Brooklyn Dodgers.
You probably mean Aston Villa. More information about the 1970 league cup final can be found in the link below.
There wasn't a first final in the NBA
The first team to do that in the Premier League was Chelsea.