Messing with Texas’ Trademark Contrary to popular belief, the phrase “Don’t Mess With Texas” wasn’t coined by Davy Crockett or Jim Bowie at the Alamo. Rather, it was created in 1986 as part of an anti-littering campaign by the Texas Department of Transportation. It’s also a registered trademark. Recently, some controversy has arisen over the authorized uses of the phrase. Read on to find out what the mess is all about.