Massachusetts Institute of Technology
Mit: Open Course Ware: The Rise and Fall of Democracy/regime Change
Discussion of the magnitude in which countries around the world have struggled with the rise and fall of democracy can only be exemplified with these rich resources.
Other
Aristocrats and the Coming of Athenian Democracy
This resource presents a lengthy, detailed examination of the history of democracy and its beginnings in Athens.
Wikimedia
Wikipedia: Democracy
A detailed Wikipedia resource on democracy that explains what it is, what the types of democracy are, and gives examples.