A Brief History of Down Syndrome, Part 2: Before John Langdon Down (October 18, 2011) "As current data suggests that DS occurs in 1 out of every 700 or so births, you would think someone would have noticed it before 1858 (perhaps in every culture since the dawn of time). That would be correct. As Down syndrome has been stigmatized and de-stigmatized at several points in human history, the..." http://downwitdat.blogspot.ca/2011/10/brief-history-of-down-syndrome-part-2.html
Sculpture from Mexico selected from the collection of the Museum of Primitive Art / Museum of Primitive Art. 1964. Metropolitan Museum of Art (New York, N.Y.). Robert Goldwater Library. Museum of Primitive Art Publications. #SculptureMexico
The Aztec /ˈæztɛk/ people were certain ethnic groups of central Mexico, particularly those groups who spoke the Nahuatl language and who dominated large parts of Mesoamerica from the 14th to 16th centuries.