The 42-star American parade flag is a rare, Unofficial historical flag produced between November 1889 and July 1890 to celebrate the admission of new states ( Washington, Montana, and both Dakotas), bringing the total number of states to forty-two. textile manufacturers at this time were already factory-producing national flags for consumer use. Idaho entered into the Union on July 3, 1890. This event, therefore made forty-two star falgs obsolete and, having not passed July 4, 1890, was never adopted as an official banner of the United States.