The crop circle phenomenon began in the late 1970s in England. While some crop circles were indeed created by pranksters, others were seen as evidence of alien visitations. The idea that aliens were responsible for crop circles was not intended as a serious hoax but rather a misinterpretation of the phenomenon.

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The crop circle phenomenon started in the late 1970s in England, with some being made by pranksters and others believed to be the work of aliens. However, the alien theory was not a deliberate hoax, but a misunderstanding of the phenomenon.