Kiss started the European leg of the Sonic Boom Over Europe Tour in May 2010. Tragedy struck Kiss for a third time when former manager Aucoin died of cancer on June 28, 2010, at the age of 66. Stanley and Simmons said he was like the fifth member of Kiss. The tour included their first UK arena shows in 11 years and their first visit to Slovakia. Kiss later played at two dates in US cities Cheyenne, Wyoming and the North Dakota State Fair in Minot, North Dakota, in July 2010. They also played at the Indiana State Fair in August and the Minnesota State Fair in September. They also made a brief appearance at the Saratoga Performing Arts Center in Saratoga, New York, on August 17, 2010. On July 23, Kiss started The Hottest Show on Earth Tour in the United States. The tour saw the band play numerous shows throughout the US, Canada and Mexico.