Helmuth von Moltke the Elder was a prominent Prussian general and military strategist born on October 26, 1800. He is best known for his role in modernizing the Prussian army and developing the concept of operational warfare. His leadership during the Austro-Prussian War in 1866 and the Franco-Prussian War in 1870-71 significantly contributed to Prussia's military successes. Moltke's innovative strategies emphasized flexibility and rapid movement, which transformed military tactics in Europe. He served as the Chief of the General Staff from 1857 until his retirement in 1888, leaving a lasting legacy on military organization and planning that influenced future conflicts.