Since 1923 where was the Spengler Cup been held?
2002 Spengler Cup: The 2002 Spengler Cup was held in Davos, Switzerland between December 26, 2002 and December 31, 2002. HC Davos:  HC Davos also has hosted the annual Spengler Cup tournament, an invitational competition, since 1923.
i don't know