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Dagen H
3 Sept 1967 in Sweden, when traffic changed from left- to right-hand / From Wikipedia, the free encyclopedia
Dagen H (H-day), today usually called "Högertrafikomläggningen" (lit. 'the right-hand traffic reorganisation'), was on 3 September 1967, the day in which Sweden switched from driving on the left-hand side of the road to the right.[2] The "H" stands for "Högertrafik", the Swedish word for right-hand traffic. It was by far the largest logistical event in Sweden's history.[3]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/09/Dagen_H_Headlamp.jpg/640px-Dagen_H_Headlamp.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/17/Dagen-H-gloves.jpg/320px-Dagen-H-gloves.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Danish_motorcyclists_about_to_cross_the_border_between_Sweden_and_Norway_in_1934.png/640px-Danish_motorcyclists_about_to_cross_the_border_between_Sweden_and_Norway_in_1934.png)
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![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Kungsgatan_1967.jpg/640px-Kungsgatan_1967.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e5/Dagen_H.svg/320px-Dagen_H.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Hamngatan_1966.jpg/640px-Hamngatan_1966.jpg)