<Tr> <Th> Inscription </Th> <Td> 1983 (7th Session) </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Great Smoky Mountains National Park is a United States National Park and UNESCO World Heritage Site that straddles the ridgeline of the Great Smoky Mountains, part of the Blue Ridge Mountains, which are a division of the larger Appalachian Mountain chain . The border between Tennessee and North Carolina runs northeast to southwest through the centerline of the park . It is the most visited national park in the United States with over 11.3 million recreational visitors in 2016 . On its route from Maine to Georgia, the Appalachian Trail also passes through the center of the park . The park was chartered by the United States Congress in 1934 and officially dedicated by President Franklin Delano Roosevelt in 1940 . </P> <Table> <Tr> <Td> </Td> <Td> Map Highlighting the Park's Boundaries </Td> </Tr> </Table>

When did the smoky mountains become a national park