Dr Pepper is one of the top-selling sodas in America.   In fact, it is a popular soda all over the world, with a market that has expanded into Europe, South America, and Asia.  Most Dr Pepper fans (otherwise known as "Peppers") already know that the drink boasts twenty-three bold flavors and that it is available in an increasing number of varieties, from regular to caffeine-free to Diet Cherry Vanilla.  But even the most devoted of "Peppers" might not know these interesting tidbits about their beverage of choice.

Dr Pepper(68938)Credit: Dr Pepper Snapple Group

1) It's older than Coca-Cola. 

Dr Pepper was invented in 1885; Coca-Cola was not invented until the following year.  This not only makes Dr Pepper the more classic of the two American soft drinks, but  also makes it the oldest soda in the United States. 

2) It was originally referred to as "Waco."

Dr Pepper wasn't always called Dr Pepper.  In fact, it didn't have a name at all when Charles Alderton invented it through some lucky experimentation at the Old Corner Drugstore in Waco, Texas.  So before the drink  gained fame and became available outside of central Texas, customers would simply say,"Shoot me a Waco" when they ordered it at the soda counter.  

3) No one knows for certain how it got its name. 

Dr Pepper may be so named because it was meant to act as a tonic and "pep up" those who drank it. However, it also could have been named after one of two Virginia doctors with the last name of Pepper.  W.B. Morrison, owner of the Old Corner Drugstore, worked with one of these doctors and apparently lived near the other before he left for Texas. 

4) There was a period in its name until 1950. 

Every real Dr Pepper enthusiast knows that there is no period after the "Dr".  However, this wasn't always the case.  A period was included until the Dr Pepper team decided a lack of punctuation would make the name of the soda more unique.

5) Texas is not the "Dr Pepper Capital of the World."

Virginia's Roanoke Valley has earned this title.  However, it is important to note that only metropolitan areas east of the Mississippi are considered for the honor.