9×23mm Steyr
9×23mm Steyr is a pistol cartridge or ammunition model.
Overview
Austro-Hungarian pistol cartridge.
In detail
It is associated with Austria–Hungary. The record gives 1911 as its date of establishment or first appearance.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“9×23mm Steyr”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q2818772: 9×23mm Steyr
Consult the source