Jewish volunteers in the Spanish Civil War

The fighting was between the Republicans, who were loyal to the Spanish Republic, and the Nationalists, a rebel group led by General Francisco Franco.

A minority of the Jewish population, particularly that of Europe, were active in socialist and Communist organisations in the period between the two World Wars.

[1][page needed] They made up a considerable portion of the socialist volunteers, with estimates putting the figure at over ten per cent.

[2] Many of them joined the International Brigades and the Popular Front to fight in the Spanish Civil War on the side of the Republicans.

Emanual Rudolph Vischer was a former Oberleutnant of the Swiss Army who had lived in Spain prior to the Civil War.