Peter The Great was the Tsar of Russia from 1682 until his death in 1725. He is best known for his extensive reforms that modernized Russia, transforming it into a major European power. His efforts included the establishment of a navy, the reorganization of the army, and the introduction of Western technologies and culture. Peter also founded the city of Saint Petersburg, which became the new capital of Russia. His reign marked a significant turning point in Russian history, as he sought to reduce the influence of the nobility and promote meritocracy. His legacy continues to influence Russia today.