Let's, as a society, get past the idea that our home videos of dressing up as King Burger and subsequently walking into a Burger King are somehow hilarious.
Cereal can have a big influence on a culture. Look at Australia. Those guys just rode around on drunken crocodiles for like 600 years, and then along came cereal and now there isn't a single drunken crocodile in Parliament. That's progress!
Sourdough bread was invented in 1723 by German settlers in China, who were about to be executed for trying to kill the emperor. They ate some sourdough bread as their last meal and it was delicious because they'd just invented it.