In 1974, ABBA won the Eurovision Song Contest, a competition that was, at that time, the main way of an European artist making his name and, if successful, achieving some recognition around the world.
Actually ABBA became famous not only in Europe, but worldwide, something that has been conquered by only a couple of the artists that became successful after won the contest.
The following pictures were taken in Brighton, England, where Eurovision took place in 1974. They show ABBA already as winners.
ABBA, Stig Anderson and "Napoleon"!