What battle took place east of the second-largest drainage system on the North American continent?
Battle of Munford The Battle of Munford took place in Munford, Alabama, on Sunday, April 23, 1865, during the raid through the state by 1,500 Union Army cavalrymen under General John T. Croxton, part of the force participating in Wilson's Raid. The Battle of Munford and a minor action at Hendersonville, North Carolina on the same day were the last battles of the American Civil War in the Eastern Theater of the American Civil War (east of the Mississippi River).
Battle of Mannheim (1799) The Battle of Mannheim (18 September 1799) was fought between a Habsburg Austrian army commanded by Archduke Charles, Duke of Teschen and a Republican French army under Jacques Léonard Muller. Most of the French "Army of the Rhine" had retreated to the west bank of the Rhine River, leaving the division of Antoine Laroche Dubouscat to hold Mannheim on the east bank. Despite assistance by Michel Ney, Laroche's division was beaten and driven out of the city when attacked by Charles and a much superior force. The War of the Second Coalition action occurred in the city of Mannheim, located in the state of Baden-Württemberg in southwest Germany about 80 km south of Frankfurt.