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