The first parliaments date back to Europe in the Middle Ages. The earliest example of a parliament is disputed, especially depending how the term is defined.
For example, the Icelandic 展开

Adaptability
Parliamentary systems like that found in the United Kingdom are widely considered to be more flexible, allowing a rapid change in legislation and … 展开

• Law reform
• List of legislatures by country
• List of political systems in France
• Parliament in the Making
• Parliamentary leader 展开

A parliamentary system may be either bicameral, with two chambers of parliament (or houses) or unicameral, with just one parliamentary … 展开

Incomplete separation of power
According to Arturo Fontaine, parliamentary systems in Europe have yielded very powerful heads of government which is … 展开