On this day in 1988, the Monsters of Rock tour kicks off in East Troy, Wisconsin with Van Halen, Scorpions, Dokken, Metallica & Kingdom Come. Van Halen were at the peak of their career's second act with frontman Sammy Hagar, following the release of the hit-filled OU812 album. The Scorpions, too, had enjoyed a steady, decade-long climb up the U.S. arena-rock hierarchy, and despite being absent for the better part of a year while recording the recently unveiled Savage Amusement LP, they could dra