Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo

It has been discussed in literature in various forms since 1967, when it appeared in Dmitri Borgmann's Beyond Language: Adventures in Word and Thought.

[4]: 104–105 The idea that one can construct a grammatically correct sentence consisting of nothing but repetitions of "buffalo" was independently discovered several times in the 20th century.

[5] Borgmann recycled some of the material from this chapter, including the "buffalo" sentence, in his 1967 book, Beyond Language: Adventures in Word and Thought.

[6]: 290  In 1972, William J. Rapaport, then a graduate student at Indiana University, came up with versions containing five and ten instances of "buffalo".

[7] Versions of this linguistic oddity can be constructed with other words which similarly simultaneously serve as collective noun, adjective, and verb, some of which need no capitalization (such as "police").