Dagen Day facts

While investigating facts about Dagen Day, I found out little known, but curios details like:

The day that Sweden switched to driving to the right side of the road on September 3, 1967 - better known as Dagen H - it was absolute chaos.

"Dagen H" (H day) was 3 September 1967. The day on which the traffic in Sweden switched from driving on the left-hand side of the road to the right.

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across. Here are 2 of the best facts about Dagen Day I managed to collect.