I've always said it and now at long last another PBer agrees....driving on the left comes from our relationship with horses!!!
it's not just the sword thing Jon....it's 5,000 years of relationship with horses that trancends the ages and left sided aproach became ingrained from the centuries of the stepps, eastern European, Asian and particularly the Macedonian histories long before calvelry became a norm in ancient warfare,,,
European countries such as Italy, Spain and France always used to drive on the left until the advent of the car (an abrieviated form of cart) ...left is right.
Countries with little or less history and contact with horses can be forgiven....the USA, Australia, etc...but the horse has his own history....50,000 years of evolution, in which time the horse has changed little...
taking a shot or making a drawing or painting of 'horse' now is a significant event in itself!
Yes here we drive on the right as i'm sure you are so aware of....my friend just returned from a trip to The Cayman Islands where he rented a car with the steering wheel on the right..i had to drive on the left...ok get on with it Gregg...he returned the car within fifteen minutes and several close calls...taxi time for the rest of the trip !!