The club Guðmundur Kristjánsson currently plays for was founded on what date?
Guðmundur Kristjánsson: Guðmundur Kristjánsson (born 1 March 1989) is an Icelandic football player, currently playing for Norwegian club Start, having previously played for Icelandic football club Breiðablik. IK Start:  The club was founded on 19 September 1905.
19 September 1905