List of historical sources for pink and blue as gender signifiers
en.wikipedia.org
List of historical sources for pink and blue as gender signifiers
The transition to pink as a sexually differentiating color for girls occurred gradually, through the selective process of the marketplace, in the 1930s and 40s. In the 1920s, some groups had described pink as a masculine color, an equivalent to red, which was considered for men but lighter for boys. But stores nonetheless found that people were... See more
Pink
Labubus, The Bell Jar and tampons: the ‘performative male’ attracts attention
theguardian.comMichel Pastoureau, “ Contrary to what one might imagine, the social, artistic and religious uses of the color blue do not reach back into the mists of time .”
ScienceDirectScienceDirect
When a British consortium of science museums analyzed the color of their artifacts over time, they found a similar, steady uptick in black, gray, and white:
Adam Mastroianni • The Decline of Deviance
If the preponderance of the scientific evidence supports the recognition of gender/sex diversity beyond only two kinds, and the inclusion of gender identity in discussions of sex, why would someone argue otherwise? As a social psychologist, I believe the answer is quite simple: prejudice.