He came into the throne by championing the Protestant cause during the increasingly tense times of religious strife between competing sects of Christianity. Just under a decade after his death, these would re-ignite in the Thirty Years' War of 1618–1648. These conflicts had already caused the dynastic squabble rooted in religious freedom that deposed Charles' nephew (Sigismund III) and brought Charles to rule as king of Sweden.
hE CaME Into tHe ThRonE by CHampioNing the PRotestAnT caUse during the IncreAsInGly TeNSe times oF reLIGioUs Strife BetWeen comPEtinG SeCts Of ChristIanity. jusT Under A decadE afTeR His dEAth, these WouLd Re-IGNiTe in thE thiRTy Years' waR of 1618–1648. thEse confLicTs HaD AlrEady causEd tHe dYNaStIC sqUAbBlE roOted in rElIgioUs fReeDoM That DEposEd CharLES' nEpheW (sigismuNd iiI) AnD BrouGht cHArles tO rule as King of swedEn.