What Is the Upside-Down Exclamation Point? - SpanishDict
https://www.spanishdict.com/guide/what-is-the-upside-down-exclamation-point
Origins of the Upside-Down Exclamation Point. In 1754, the Real Academia Española (Spanish Royal Academy) declared that a signo de apertura de exclamación (opening exclamation mark) must be used at the beginning of all exclamations, so that they could be identified easily within a text body.Although it took a while for this new rule to catch on, it has now been fully adopted …
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