Kings and Generals animated historical documentary series on modern warfare and naval warfare continues with a video on the evolution of the Dreadnought. For centuries, control of the seas defined global power. From towering sailing ships to steel leviathans driven by turbines, naval warfare evolved through relentless technological competition. This video traces the transformation of war at sea from the Age of Sail to the launch of HMS Dreadnought, the battleship that rendered every rival fleet obsolete overnight. We begin with the sailing ship of the line and the rise of broadside combat, before following the disruptive arrival of steam propulsion and explosive Paixhans shells. These innovations shattered wooden navies and led to ironclads, rotating turrets, and radically new ship designs. As gunnery, armor, and propulsion advanced together, navies settled into the pre-dreadnought formula—a balance of firepower, protection, and speed. Strategic thinking evolved alongside technology. Alfred Thayer Mahan’s theory of sea power reshaped naval doctrine, while Germany’s challenge to British dominance ignited a dangerous arms race. The lessons of the Russo-Japanese War finally pointed the way forward. In 1906, HMS Dreadnought combined all-big-gun armament, turbine propulsion, and unprecedented speed—redefining naval warfare and pushing the world toward industrialized conflict on an unprecedented scale.