<span> The ancient Egyptians were much more advanced than other civilizations in their era. One of their amazing achievements was inventing the calendar. They invented the calendar so they could know at what time of the year the Nile River would flood. Here is a picture of their calendar compared to ours. </span>
The answer is....
The 3rd law
The best answer is, barbers.
During
the Renaissance, and even during the Middle Ages, barbers were known to provide
medical skills to wealthy, elite and ruling families of Europe. This seems
unusual in contemporary periods; however, barbers were skilled with a sharp
blade, making him a good candidate for surgery. Examples of their medical care
outside of the ruling classes can be seen in the knightly jousting tournaments,
where barbers were expected to care for those injured during the tournament
games.
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