Who was the premier black entertainer during the first part of the twentieth century?

on april 6, 1917, the u.s. joined its allies--britain, france, and russia--to fight in world war i. under the command of major general john j. pershing, more than 2 million u.s. soldiers fought on battlefields in france.

it broke up the ottoman empire (just a small fact) and the turkish leaders lost many soldiers.