The Swedish city list should only contain cities which have always been Swedish - no cities from Danish provinces. They should be listed in order of foundation. Here is my list:
Stockholm, Skara, Sigtuna, Vasteras, Sodertalje, Kalmar, Nykoping, Arboga, Orebro, Jonkoping, Uppsala, Linkoping, Enkoping, Strangnas, Vaxjo, Norrkoping, Skovde, Gavle, Karlstad, Harnosand, Umea, Goteborg, Lulea, Boras, Sundsvall, Falun, Vanersborg, Eskilstuna, Karlskrona, Ostersund, Skelleftea, Haparanda, Oskarshamn, Motala, Ornskoldsvik, Nassjo, Trollhattan, Katrineholm, Boden