Bar joke
A bar joke is a type of joke cycle that usually begins with some variant of the line "A man walks into a bar..." == First recorded example == The earliest known example of a bar joke is Sumerian, appearing in the form of two slightly different versions of a proverb inscribed alongside many others on two clay tablets excavated at Nippur at the end of the 19th century. The tablets were etched around 1700 BCE, during the Old Babylonian Empire, although Edmund I. Gordon, who published the first translation of most of the proverbs inscribed on these tablets, argued that the proverbs themselves probably date from a considerably earlier period.