One of those hits was the album Slippery When Wet (1986) by Bon Jovi, which spent a total of 8 weeks at the top of the Billboard 200 album chart, sold 12 million copies, and became the first hard rock album to spawn three top 10 singles two of which reached 1. In addition, the anthem rock album The Final Countdown by Swedish group Europe was released in 1986. It reached 8 on the U. S. charts, while hitting the top 10 in several other countries.