- 845 – The first duke of Brittany, Nominoe, defeats the Frankish king Charles the Bald at the Battle of Ballon near Redon.
- 1864 – American Civil War: John Bell Hood begins the Franklin–Nashville Campaign in an unsuccessful attempt to draw William Tecumseh Sherman back out of Georgia.
- 1940 – World War II: Following the initial Italian invasion, Greek troops counterattack into Italian-occupied Albania and capture Korytsa.