Simon de Montfort, 6th Earl of Leicester, 1st Earl of Chester, also called Simon de Munford, was an Anglo-Norman nobleman. He led the barons' rebellion against King Henry III of England during the Second Barons' War of 1263–4, and subsequently became de facto ruler of England. During his rule, de Montfort called the first directly elected parliament in medieval Europe. For this reason, de Montfort is regarded today as one of the progenitors of modern parliamentary democracy.
The Netherlands was one of the first countries in the world to have an elected parliament, and since 1848 it has been governed as a parliamentary democracy and a constitutional monarchy, organised as a unitary state. Amsterdam, Netherlands
The Cook Islands is a parliamentary democracy in the South Pacific Ocean in free association with New Zealand. It comprises 15 small islands whose total land area is 240 square kilometres (92.7 sq mi). - http://topinspired.com/top-10-most-tropical-islands/
It is an old idea, and one that reaches as far back as the nineteenth century, that Viking Age Iceland was democratic and much like an early republicThe Icelandic Althing: Dawn of Parliamentary Democracy - Medievalists.net