First, I would like to point out that Clausewitz's On War is less military history and more military strategy. You are not going to find accounts of how single battles are fought and won (or lost) in it, but rather Clausewitz's ideas on how one country may triumph over another on the national scale.

That being said, I am presuming that you are looking for strictly military history accounts, so I have listed some below comprised of books from the U.S. Navy's, U.S. Army's, and USMC's reading lists as well as books from classes I took at the war college. Full disclosure: my experience is more in modern and naval warfare, so that's what I'm recommending. There is a lot more war out there to learn about, but this is my familiarity. What you read is likely going to be influenced by whether you're looking sweeping overviews and strategy or the nitty-gritty details of individual battles. There's a mix of the two types in the list below.

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Seven Years' War

Anderson, Fred, Crucible of War: The Seven Years' War and the Fate of the Empire in British North America, 1754-1766

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American Revolution

Toll, Ian W., Six Frigates: The Epic History of the Founding of the U.S. Navy

Fischer, David Hackett, Washington's Crossing: Pivotal Moments in American History

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U.S. Civil War

McPherson, James. M., Battle Cry of Freedom: The Civil War Era

Grant, Ulysses S., Personal Memoirs: Ulysses S. Grant

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Wars of German Unification

Showalter, Dennis, The Wars of German Unification

Wawro, Geoffrey, The Austro-Prussian War: Austria's War with Prussia and Italy in 1866

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WWI

Strachan, Hew, *The First World War ****I very much suggest this one as your starting point for WWI

Gordon, Andrew, The Rules of the Game: Jutland and British Naval Command

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WWII

Weinberg, Gerhard, A World at Arms: A Global History of World War II *** My suggested started place for WWII before getting into specific campaigns and battles

Hornfischer, James D. Neptune's Inferno

Field Marshal Viscount Slim, Defeat into Victory: Battling Japan in Burma and India 1942-1945

Eisenhower, Dwight D., Crusade in Europe

Toll, Ian W., Pacific Crucible: War at Sea in the Pacific 1941-1942

Toll, Ian W. The Conquering Tide: War in the Pacific Islands, 1942-1944

Col Joseph H. Alexander, USMC (ret), Utmost Savagery: The Three Days of Tarawa

Hornfischer, James D., The Last Stand of the Tin Can Soldiers: The Extraordinary World War II Story of the U.S. Navy's Finest Hour

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Korea

Fehrenbach, T. R., This Kind of War: The Classic Korean War History

Hammes, Thomas, Forgotten Warriors: The 1st Provisional Marine Brigade, The Corps Ethos and the Korean War

James, D. Clayton and Wells, Anne Sharp, Refighting the Last War: Command and Crisis in Korea, 1950-1953

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Vietnam

Lewy, Gunter, America in Vietnam

Krepinivech, Andrew F., The Army and Vietnam

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general/misc

Parker, Geoffrey, The Cambridge Illustrated History of Warfare: The Triumph of the West

Keegan, John, The Face of Battle: A Study of Agincourt, Waterloo, and the Somme