T-shirts were originally made for unmarried men who didn't know how to sew buttons on collared shirts.
Glitter is so unique it can be used as forensic evidence if matching glitter is found at the crime scene and on the suspect since glitter often goes unnoticed by the suspect.
After Hitler ordered the deportation of Denmark's Jewish population, Danish citizens organized a massive evacuation of the Jews to neutral Sweden, despite the risks. In the end, 99% of Danish Jews survived the Holocaust.