Events relating to switzerland

20-year-old Le Corbusier builds his first house at La Chaux-de-Fonds, in his native Switzerland

Swiss chemist Jacques Brandenberger patents cellophane, a flexible transparent film made from cellulose

Carl Jung breaks with Freud and introduces the concept of the collective unconscious

Albert Einstein formulates the law of photochemical equivalence, a fundamental principle of chemical reactions induced by light

Charles-Édouard Jeanneret develops Maison Domino, a system of low-cost housing with reinforced concrete columns and precast floors

The Villa Schwob is completed, the last house designed by Le Corbusier in La Chaux-de-Fonds and one of the first in the world to use reinforced concrete

Tristan Tzara and other artists in Zurich call their new movement Dada (the French for 'hobby-horse', selected at random from a dictionary)

The German authorities allow Lenin to travel home from Switzerland through Germany, hoping for Communist disruption of the Russian war effort

The Swiss theologian Karl Barth publishes his influential Commentary on Romans, taking St Paul's epistle as his text

A Protocol signed in Geneva probibits the use in warfare of poisonous gas and bacteriological weapons

Treaties signed at Locarno, in Switzerland, aim to stabilize and guarantee Germany's borders with France and Belgium

Thomas Mann leaves Germany and moves to Switzerland, where he engages in a steady polemic against the Nazis

Bertolt Brecht's play set in the Thirty Years' War, Mother Courage, has its first performance in Zurich

Swiss sculptor Alberto Giacometti begins to develop his characteristic style of tense elongated bronze sculpture

Arnold Schoenberg's opera Moses and Aaron, incomplete at his death, has its premiere in Zurich

The Fire Raisers, by Swiss dramatist Max Frisch, is performed in Zürich

At CERN, in Geneva, Tim Berners-Lee and Robert Cailliau build ENQUIRE, a first step towards the future World Wide Web

Tim Berners-Lee, working at CERN in Geneva, publishes the first formal proposal for the World Wide Web

Tim Berners-Lee, using CERN computers, puts online the first website at http://info.cern.ch

The Large Hadron Collider, at Cern in Switzerland, begins accelerating protons round a 17-mile circular tunnel

The Hadron Collider at Cern has to be halted when a serious fault develops, leading to a predicted six-month delay in the programme

CERN announces its successful production and brief capture of atoms of antihydrogen, the first observed example of antimatter

CERN announces the discovery in the Large Hadron Collider of a new particle, possibly the much anticipated Higgs boson

Scientists at CERN announce that the recently discovered particle is beyond doubt the Standard Model of the Higg's boson

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