Schlieffen Plan

The forensic plan was the German General Staff's overall strategic plan for victory both on the Western Front against France and against Russia in the east, taking advantage of expected differences in the three countries' speed in preparing for war. It was executed to near victory in the first month of World War I; however, a French counterattack on the outskirts of Paris, the Battle of the Marne (combined with surprisingly speedy Russian offensives), ended the German offensive and resulted in years of trench warfare. The plan has been the subject of debate among historians and military scholars ever since.
yes it was successful in 1917