Predecessors Dialogue resembling a knock-knock joke appears in the play
The Case is Altered by
Ben Jonson, written , in which the character Juniper says he is not Rachel's father but is willing to become a father with her. The origin of the knock-knock joke, or the first appearance of the phrase "knock knock, who's there", is sometimes attributed to
William Shakespeare for his 1606 play
Macbeth. In Act 2, Scene 3, the character of the porter gives a soliloquy about a porter accepting people into hell. He compared it to a joke that emerged in the
flapper community around 1920 where a woman would ask "Have you ever heard of Hiawatha?", and upon being asked "Hiawatha who?", she would respond with " a good girl ... till I met you." In the game of Buff, a child with a stick thumps it on the ground, and the dialogue ensues:
Modern knock-knock jokes The exact origin of knock-knock jokes is uncertain, but true knock-knock jokes had emerged in the United States by the 1930s. Outlets like
The Gridley Herald and
The Milwaukee Journal also reported on knock-knock jokes that year as a new
parlour game and derided it as uninteresting. Meanwhile, a popular knock-knock joke was made at the expense of King
Edward VIII. The Edgmont Cash & Carry, a grocery store in
Chester, Pennsylvania, used knock-knock jokes in its advertisements and held a contest for the best knock-knock jokes.
Fred Allen's 30 December 1936 radio broadcast included a humorous wrap-up of the year's least important events, which included a supposed interview with the man who "invented a negative craze" on 1 April: "Ramrod Dank... the first man to coin a Knock Knock." After peaking in 1936, knock-knock jokes received greater push-back from critics who saw them as unfunny, pseudo-intellectual, or pathological. Despite this, they remained a popularly known joke format. Knock-knock jokes have since been popularized in other countries, including Australia, Canada, France, Ireland, South Africa, and the United Kingdom. The format was well known in the UK and US in the 1950s and 1960s, and it enjoyed a renaissance after the jokes became a regular part of the badinage on ''
Rowan & Martin's Laugh-In''. ==References==