\[ **BT: [[countries of the world]]** ] --- # United States of America [[USA passports did not have a field for gender until the 1970s; it has been joked that the field was added because of David Bowie.]][^1] - ↬ [Perseus Digital Library’s 19th-century American collection](https://www.perseus.tufts.edu/hopper/collection?collection=Perseus:collection:cwar) [^1]: [email protected] \[pseud.], ‘fun fact …’, *nando161mando* (Tumblr blog), 9 March 2025, 6:57 AM, <https://www.tumblr.com/nando161mando/777481171147898880>.