Fans of the Swedish supergroup ABBA gathered Saturday in England, Sweden and elsewhere to celebrate the hit song "Waterloo" on the 50th anniversary of its victory at the annual Eurovision Song Contest ...

World reference of the disco with 400 million albums sold, unforgettable titles like Waterloo, Mamma Mia ! or Dancing Queen, ABBA is a real planetary success. For 50 years, the world has been dancing ...

In this video critique (which includes archival concert footage), experts and insiders discuss the legacy of Swedish sensation Abba -- who burst onto the pop scene in the 1970s and quickly became one ...

Few songs from the 1970s still get people talking quite like this ABBA hit. "Waterloo" started as an upbeat fan favorite, went on to become one of the group's most recognizable early successes.