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