Tennessee QSO Party.
The Tennessee QSO Party is an annual amateur radio event which takes place on the first Sunday of September. All amateur radio operators in the great state of Tennessee are encouraged to participate as antennas around the world rotate and point to the volunteer state. The Tennessee QSO Party is hosted by the Tennessee Contest Group. Each year tens of thousands of QSOs occur between Tennessee amateur radio operators and hams worldwide.
Link to Tennessee QSO Party webpages
First Sunday in September; 1700z to 0300z