New answers tagged transportation
Originally, all the riders were on the left because that's the side you mount the horse from, and you mount the horse from the side of the road. You don't mount a horse standing in the middle of the road. This changed around 1700 when advancing bridle technology and improved wagons with metal axles, metal suspensions, bearings and fittings made it possible ...
I've heard that the left hand rule is so that sword-bearing riders can engage each other, while the right hand rule is due to men driving large carts being able to use whips on their oxen without striking oncoming carts. Take that as you will.
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