There's a mention of continental Europe driving on the right due to Napoleon. The story I heard is that in the French Revolution, many changes were made purely

There's a mention of continental Europe driving on the right due to Napoleon. The story I heard is that in the French Revolution, many changes were made purely to make a symbolic break with the monarchy, and driving on the right was one of them. Napoleon then enforced this wherever he could as a symbol of conquest. There's every chance that this explanation is bullshit.