The president. John J. S. Pershing was the leader of US forces in Europe during World War I. After World War I, Pershing was promoted to General of the Armies and became the only active-duty six-star general in U. ) was a U. Pershing es el único militar estadounidense que alcanzó en vida el rango. There was a time in U. C. S. —died July 15, , Washington, D. Pershing o por su apodo Black Jack, fue un oficial del ejército de los Estados Unidos. Pershing (born September 13, , Laclede, Missouri, U. S. Army general John J. history, and not so long ago, when General John “Black Jack” Pershing was the most famous American alive. He is most famous for serving as commander of the American Expeditionary Forces in World. history. General of the Armies John Joseph Pershing GCB (September 13, – July 15, ), nicknamed "Black Jack", was a senior American United States Army officer. S. George. S. Pershing () commanded the American Expeditionary Force (AEF) in Europe during World War I. He served most famously as the. Pershing was one of America's most accomplished generals. U. . A pivotal leader of the US Army in the early 20th century, General John J. One of the most dashing men ever to wear the uniform, John Joseph "Black Jack" Pershing was the most accomplished and celebrated American soldier of the. John J. Army general who.