<P> On June 10 , 1933 , President Franklin D. Roosevelt signed Executive Order 6166 which consolidated all National Parks and National Monuments , National Military Parks , the eleven National Cemeteries , National Memorials , and the National Capital Parks into a single National Park System . The National Park Service was directed to oversee all of these areas . There were three significant results of this action : </P>
<P> On June 10 , 1933 , President Franklin D. Roosevelt signed Executive Order 6166 which consolidated all National Parks and National Monuments , National Military Parks , the eleven National Cemeteries , National Memorials , and the National Capital Parks into a single National Park System . The National Park Service was directed to oversee all of these areas . There were three significant results of this action : </P>
when was the us national park system established
when was the us national park system established
June 10 , 1933
June 10 , 1933