my favorite ever r/AskHistorians exchange was as follows:
Q: Good black dye wasn't invented until the 14th century, but there are lots of descriptions of people in antiquity wearing black clothes. Where did they get the fabric?
A: From black sheep.

Writer, game designer, engineer, bisexual tranthing, FFXIV addict
OC: Anna Verde - Primal/Excalibur, Empyreum W12 P14
Mare: E6M76HDMVU
. . .

my favorite ever r/AskHistorians exchange was as follows:
Q: Good black dye wasn't invented until the 14th century, but there are lots of descriptions of people in antiquity wearing black clothes. Where did they get the fabric?
A: From black sheep.