Proof of life: The three skeletons buried at Gobero in the Sahara desert - I saw a documentary where it is suggested that this adult and two children probably drowned. They were buried on a bed of flowers holding hands with each other.
The Mad Hatter has a basis in real history. In the 18th and 19th centuries, mercury was used to treat felt used in the production of hats in England. Workers in hat factories were exposed to toxic levels of the heavy metal and often led to the onset of dementia.
Plague Masks. During the period of the Black Death and the Great Plague of London, plague doctors visited victims of the plague to verify whether they have been afflicted or not. The beak was stuffed with spices or herbs to "purify" the air that the doctor breathed. It has been questioned how much this costume was actually worn; the greater part of doctors fled the cities in the early stages of the plague. Source: http://www.facebook.com/ICannotGotoBed
Here is a Georgia State Trooper in riot gear at a KKK protest in a north Georgia city back in the 80s. The Trooper is black. Standing in front of him and touching his shield is a curious little boy dressed in a Klan hood and robe.