TheXIVIGCwasheldinSpainin1926,markingarecoverytrendintheCongressaftertheFirstWormWarintermsofthenumberofparticipantsandthenumberofrepresentedcountries.ItwasSpainthatbenefitedmostfromtheXIVIGCandprobablyneveragaintherehasgeologyreceivedsomuchpublicandofficialattention.ThispaperisoneofaseriesofarticlesonthehistoryoftheInternationalCongress.