Franz Marc
The group was disrupted by the outbreak of the First World War in 1914. Franz Marc and August Macke were killed in combat. Wassily Kandinsky, Marianne von Werefkin and Alexej von Jawlensky were forced to move back to Russia because of their Russian citizenship. There were also differences in opinion within the group. As a result, Der Blaue Reiter was short-lived, lasting for only three years from 1911 to 1914.