This fun fact I learned from the game show Jeopardy! yesterday. :)
Category: Food Traditions
Answer: Since the 1100's Dunmow, England, has rewarded newlyweds who go a year and a day without arguing by letting them "bring home" this.
Question: What is the bacon?
Hence the origin of the phrase "bring home the bacon". The phrase has seemed to evolve into meaning "bring home the family income", although the origins imply that it was more about getting rewarded for a peaceful household.
Side note: If you're a Jeopardy! fan, click here to go to an amazing archive of the answers and questions!