The structure of the egg was once seen as analogous to the structure of the cosmos.
According to this theory, the eggshell was supposed to be the sky, the membrane inside the sky with clouds, the egg white symbolized water, and the egg yolk symbolized earth and minerals.
It probably did not appear in France until 1644, and the French elite had the opportunity to taste the drink in 1669 at a party given by Ottoman envoy Mustafa Pasha.
The first café in Paris was established in 1671, and by that time there were more than 3000 cafes in England.
