Led Zeppelin began their North American tour at Pacific Coliseum in Vancouver, Canada, before a sold-out audience of more than 17,000 fans. Around 3,000 additional people without tickets clashed with local police outside the venue.
Led Zeppelin performed before 6,000 people at Milwaukee Arena at a concert that had been moved from August 27. One reviewer wrote that the group started slowly but finished in great style, with the crowd gradually becoming captivated by the performance.
Led Zeppelin performed at the San Diego Sports Arena during their North American tour. Jethro Tull and Seattle's The Surprise Package appeared as support acts.
Led Zeppelin performed at the Anaheim Convention Center in Anaheim, California, during their North American tour. Jethro Tull, who appeared as the opening act, were at No. 1 on the UK Albums Chart with their second album, “Stand Up”.