Encyclopédists. 1751-72. Group who wrote encyclopaedia under Diderot. Voltaire, Helvetius, D’Alembert. As sceptics, they popularized social ideas which led to the French Revolution.

Helvetia. Roman name for Switzerland.

Helvetic Confessions. 1636,62. Swiss Reform church doctrines. 2nd widely adopted.

Helvetii. Celtic tribe defeated by Caesar 58BC.

Helvétius, Claude-Adrien. 1715-71. French Materialist philosopher. All actions based on self-interest. De l’ésprit 1758.

Orgetorix. -60BC. Helvetian chief vs Caesar.

Switzerland. Celts (Helvetii). 58BC Rome. 5C Alemanni, Burgundians. 6C Frank. 962 HRE. 1291 3 Cantons unite vs Hapsburgs. 1515- Neutral. 1648 Indepence recognized. 1815 Neutrality recogognized.