Lucky Luke (english version) - Volume 64 - The wedding crashers

Samuel Parker, ageing sheriff of Hadley City, is about to get married, and
he’s promised his bride to retire after the ceremony. But Parker once sent the
Daltons to jail, and when the horrible brothers hear the happy news, they
escape with the intent of killing Samuel right in the middle of his wedding.
Fortunately, Lucky Luke is an old friend of the sheriff’s, and he has been
invited to the celebrations...