Stockholm, 3rd September 1967: Sweden switched from driving on the left to the right

On September 3, 1967, Stockholm was the epicenter of a historic traffic switch as Sweden changed from driving on the left side of the road to the right. This massive overnight transformation, known as "Dagen H" (H Day), caused a mix of chaos and excitement as drivers adapted to the new rules, resulting in a surreal scene of halted traffic and confused motorists.