Breakfast is a relatively modern invention

The Creation Of Cereal As A Healthy Alternative
Granula — Picture From The Dansville Historical SocietyAn abolitionist orator, preacher, and practitioner of alternative medicines would come up a solution to this dyspepsia. Dr. Kellogg would go on to create his own facility in Battle Creek Michigan with his own cereal. Original Breakfast Marketing Campaign October 1944 — Newspapers.comAccording to the Guardian, this is where the first mention of breakfast being the most important meal of the day came into existence.

Source: medium.com