What is Grand Divisions of Tennessee?
[[File:Flag of Tennessee.svg|thumb|Tennessee's state flag. The three stars stand for the state's three Grand Divisions.]] The '''Grand Divisions''' are three regions in the [[U.S. state]] of [[Tennessee]]. Each contains about one-third of the state's land area. Each is geographically, culturally, legally, and economically distinct. The Grand Divisions are legally recognized in the state constitution and state law and are represented on the [[Flag of Tennessee]] by the flag's three prominent stars.<ref name=BlueBookFlag>{{cite web|author=Tennessee Department of State |url=http://state.tn.us/sos/bluebook/05-06/45-symbols.pdf |title=Tennessee Symbols and Honors |work= [[Tennessee Blue Book]], 2005–2006 |page=516}}</ref> ==Borders== {{multiple image | align = right | direction = vertical | width = 225 | image1 = Map of East Tennessee counties.png | image2 = Map of Middle Tennessee counties.png | image3 = Map of West Tennessee counties.png | footer = Maps of the Grand Divisions of Tennessee, with [[East Tennessee]] at the top, [[Middle Tennessee]] in the center, and [[West Tennessee]] at the bottom. }} The border between East Tennessee and Middle Tennessee is on the [[Cumberland Plateau]]. It was a major barrier to travel during much of the state's early history. It is close to the line between the [[Eastern Time Zone|Eastern]] and [[Central Time Zone (North America)|Central]] [[time zone]]s.<ref name=astor>{{cite book |last1=Astor |first1=Aaron |title=The Civil War Along Tennessee's Cumberland Plateau |date=2015 |publisher=The History Press |location=Charleston, South Carolina |isbn=978-1-62619-404-5 |lccn=2015932376 |page=11 |url=https://books.google.com/books?id=yme4CAAAQBAJ |access-date=May 31, 2021}}</ref> All but three counties of East Tennessee ([[Bledsoe County, Tennessee|Bledsoe]], [[Cumberland County, Tennessee|Cumberland]], and [[Marion County, Tennessee|Marion]]) are in the [[Eastern Time Zone]]. Middle and West Tennessee are entirely in the [[Central Time Zone]]. The reach of the [[Tennessee Rive