One of the dioramas features a man described as the first white person to have dreadlocks. While nowadays dreadlocks are often associated with the Rastafarian movement, they were worn in ancient India and historically by some Celtic and Germanic tribes. Vikings were also known to wear their hair in dreadlocks.
On the train Eleanor begins to swear, because The Good Place filter has ceased to function, but Chidi continues to speak English, although from the first episode of the first season it was said that his speech is translated in English automatically by The Good Place.