Leonardo da Vinci designed a robot knight as a programmable mechanical figure.
He developed the concept around 1495 for a pageant in Milan sponsored by Ludovico Sforza. The armored figure was built around a system of pulleys, cables, and gears. According to modern reconstructions, it could sit, stand, move its arms, and operate its jaw.
Leonardo’s surviving notes do not provide a complete construction manual, so the machine’s full capabilities cannot be established with certainty. The robot was probably an automaton for entertainment rather than a machine intended for combat.
The design reflects Leonardo’s study of anatomy and mechanics. He analyzed how joints and muscles create movement, then translated those observations into mechanical linkages. Modern reconstructions, including one by Mark Rosheim, demonstrate that the surviving sketches can support a functional interpretation.