There are several well-documented examples throughout history: Vienna at the turn of the twentieth century[1], and the Florence Renaissance during the fifteenth

There are several well-documented examples throughout history: Vienna at the turn of the twentieth century[1], and the Florence Renaissance during the fifteenth century. [1]: http://www.amazon.com/The-Age-Insight-Understand-Unconscious-ebook/dp/B0050DIWV6 http://www.amazon.com/The-Age-Insight-Understand-Unconscious...