The conference at Zimmerwald in Switzerland was held from 5-8 September 1915, organized by the Italian socialist party, which was opposed to the war.
The term was applied to a variety of different groups, from those on the right who had been in favour of the war effort since 1914 and even supported aggressive war aims like territorial expansion, to those on the left who had adhered to the Zimmerwald anti-war movement before 1917 but approved of limited defensive war 'in defence of the revolution'.
On January 1, 2004, the independent municipality merged with Zimmerwald to form the new municipality of Wald BE.
At the beginning of September 1915 the first anti-war conference of internationalists was held in Zimmerwald.
It was these views of Martov that predominated in a manifesto drawn up by Leon Trotsky (a major Bolshevik revolutionary) at a conference in Zimmerwald, attended by thirty-five Socialist leaders in September 1915.
At the International Socialist Conference at Zimmerwald the social patriots were identified as "the openly patriotic majority of the formerly Social-Democratic leaders" in Germany, as well as the group around Kautsky.
In 1914, when World War I broke out, Zeth Höglund together with Ture Nerman represented the Swedish-Norwegian members of the Zimmerwald Conference, the international socialist anti-war movement which gathered in the small Swiss village of Zimmerwald.
From there they left in four coaches for the small town of Zimmerwald some nine kilometers (6 miles) away.
8061 Gaudium is a Main-belt Asteroid discovered on October 27, 1975 by P. Wild at Zimmerwald.
The manifesto drawn up by the Kienthal Conference was an advance on the Zimmerwald Manifesto and helped to crystallize the internationalist elements of whom the Communist Third International was subsequently formed.
The Left of the Zimmerwald Congress was made up of eight out of 38 people: Lenin, Zinoviev (Russia), Jānis K. Bērziņš (Latvia), Karl Radek (Poland), Julian Borchardt (Germany), Fritz Platten (Switzerland), Zeth Höglund and Ture Nerman (Sweden).