Today in 1839, the letters “O.K.” are first published in The Boston Morning Post. These letters were suppose to mean “oll korrect,” a common slang abbreviation for “all correct”. At the time, OK started to grow in American speech everyday. Eventually, after years and years of use, people began to think of it as a word. Today, I’m willing to bet that about 90% of Americans don’t know that OK is an acronym.