Alexander the Great was a big fan, as were George Washington, Benjamin Franklin, and Thomas Jefferson. Charles I of England was so entranced with its flavors that he tried to keep the recipe secret as a royal prerogative.
The cause of this historical brouhaha? Ice cream.
History tells us that ice cream — or some form of shaved ice and flavored syrups — first made an appearance in the second century B.C. as a treat for royals. But it took almost another two millenniums for it to reach the masses, and when it did, it took off like an ice cream avalanche.