In the fifth century, Syriac Bible manuscripts used question markers, according to a 2011 theory by manuscript specialist Chip Coakley: he believes the zagwa elaya ("upper … See more

Opening and closing question marks in Spanish
In Spanish, since the second edition of the Ortografía of the See more

The rhetorical question mark or percontation point (see Irony punctuation) was invented by Henry Denham in the 1580s and was used … See more

In algebraic chess notation, some chess punctuation conventions include: "?" denotes a bad move, "??" a blunder, "?!" a dubious move, and "!?" an interesting move.
In Scrabble, a question mark indicates a blank tile. See more

In English, the question mark typically occurs at the end of a sentence, where it replaces the full stop (period). However, the question mark may also occur at the end of a clause or phrase, where it replaces the comma (see also Question comma See more

French orthography specifies a narrow non-breaking space before the question mark. (e.g., "Que voulez-vous boire ?"); in English orthography, … See more

In computing, the question mark character is represented by ASCII code 63 (0x3F hexadecimal), and is located at Unicode code-point U+003F ? … See more