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