King Amenemhat I was the first ruler of the Twelfth Dynasty of ancient Egypt, reigning from around 1991 to 1962 BCE. He is known for establishing a strong centralized government and promoting economic stability. Amenemhat I moved the capital to Itjtawy, which helped to strengthen his control over the country. During his reign, Amenemhat I initiated various building projects, including temples and fortifications. He also encouraged trade and military expeditions, which contributed to Egypt's wealth. His legacy continued through his successors, who built upon his achievements and further solidified the power of the Middle Kingdom.