<Li> Upon the translation you must provide copyright attribution in the edit summary by noting your translation and providing an interlanguage link to the source of your translation . You should also add to the talk page the template ((Translated sv Högertrafikomläggningen)). A model attribution edit summary (using German): Content in this edit is translated from the existing German Wikipedia article at ((: de: Exact name of German article)); see its history for attribution . </Li> <Li> For more guidance, see Wikipedia: Translation . </Li> <P> Dagen H (H day), today usually called "Högertrafikomläggningen" ("The right - hand traffic diversion"), was the day, 3 September 1967, on which traffic in Sweden switched from driving on the left - hand side of the road to the right . The "H" stands for "Högertrafik", the Swedish word for "right traffic". It was by far the largest logistical event in Sweden's history . </P> <P> There were various major arguments for the change: </P>

When did sweden change to right hand drive