When did certain foods become popular?
"Ever wonder how the ancient Romans fed their armies? What the pioneers cooked along the Oregon Trail? Who invented the potato chip...and why? So do we!!! Food history presents a fascinating buffet of popular lore and contradictory facts. Some experts say it's impossible to express this topic in exact timeline format. They are correct. Most foods are not invented; they evolve."
Some interesting subpages:
Some Lessons organized by subject