Nazi leader Adolf Hitler had only one testicle.
117
"Yo momma" jokes/insults were invented by Shakespeare.
39
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
25
The first coast-to-coast telephone line was established in 1914.
33
English sailors were referred to as "limeys" because sailors added lime juice to their diet to combat scurvy.
69
The last time American Green cards were actually green was 1964.
60
The World Trade Center towers used to have two zip codes, 10047-10048, one for each building.
77
A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20