In the late 50s and early 60s a Hula Hoop fad conquered the United Stated. Different sizes, different bright colors were spun around hips throughout the nation by wiggling hips. In merely six months in 1958, 20 million Hula Hoops were sold. A series of medical problems and emergencies swept the nation because of neck and hip injuries, but it did not stop the craze. This was a new and fun game! But it really was not new. The Hula Hoops craze started in ancient Egypt, sweeping Greece, Rome, and medieval Europe.
There are 75 countries in the world that drive on the left side of the road, roughly 31% of all the countries in the world. Most of these territories were at some point part of the British Empire and this alone is normally accepted as the reason. They are just "different". Unfortunately, why they drive on the left is not even the right question. The real question is "Why did every other country switch to driving on the right?".
Only a few centuries ago there was a profession that combined pulling teeth, sewing you up, and shaving you. These highly-skilled professionals were called...