World War I
Who was the Bolshevik leader in 1917 in Russia?
Treaty of Versailles
World War I. The First World War (1914–1918) was fought across Europe, the Middle East, Africa and Asia. Countries beyond the war zones were also affected by the disruption of international trade, finance and diplomatic pressures from the belligerents. In 1917, two revolutions occurred within the Russian Empire, which led to the collapse of the Imperial Government and the rise of the Bolshevik Party led by Vladimir Lenin.