Pfffft, I had no idea and asked my Mr.history-man, and that's what he said:
"Yes, because it definetely developed in the modern age shortly after the fin de siecle. Derived from the subculture of the Apaches, it is very much a dramatization of social and cultural changings during the modern age and..."
Here's avideo how a dance apache should look like, in two different versions. Personally I prefer to do the first style, unless l I have a limpish dance partner, then I change to the second style. LINK
"Yes, because it definetely developed in the modern age shortly after the fin de siecle. Derived from the subculture of the Apaches, it is very much a dramatization of social and cultural changings during the modern age and..."
And blablablabla so on until the postmodern age.
Also, it's only 4 September and already you have more votes that all of last month.
TOtBT
APP