Short answers, pulled from the story.
The name Tennessee comes from a Cherokee town called Tanasi located in present-day Monroe County. Recent research suggests Cherokees adapted the word from the Yuchi language term Tana-tsee-dgee which translates to brother-waters-place or where-the-waters-meet.
Tennessee entered the Union as the 16th state on the 1st of June 1796. A constitutional convention convened in Knoxville on the 17th of January 1796 to draft a new state constitution before John Sevier became the state's first governor when the legislature met on the 28th of March 1796.
The worst maritime disaster in American history occurred on the 27th of April 1865 when the Sultana steamboat exploded north of Memphis killing 1,168 people. This event remains the deadliest maritime disaster in United States history.
Oak Ridge emerged as a planned community during World War II to house Manhattan Project uranium enrichment facilities. Calutron operators worked inside the Y-12 Plant to produce weapons-grade fissile enriched uranium for atomic bombs under the Clinton Engineer Works.
The 2020 census reported Tennessee's population reached 6,910,840 people representing an increase of 564,735 since 2010. Nashville serves as the capital and largest city with nearly 700,000 residents in its metropolitan area.