Iron Maiden's World Slavery Tour was one of the longest and most extensive tours ever undertaken by a rock band. Lasting from August 9, 1984, to July 5, 1985, and visiting such countries as Poland, Austria, Hungry, Yugoslavia, Italy, France, Spain, Portugal, Scotland, England, Germany, Sweden, Canada, Japan, and the U.S., the show included a mammoth setup that replicated the intricate ancient Egyptian scenery of the Powerslave album cover…