Σενουσρέτ Ι was a pharaoh of ancient Egypt who ruled during the Middle Kingdom, specifically from around 1971 to 1926 BCE. He was the first king of the Twelfth Dynasty and is known for his military campaigns and efforts to expand Egypt's territory. His reign marked a period of stability and prosperity, with significant advancements in art and architecture. He is also recognized for his building projects, including the construction of the Temple of Karnak and his own pyramid at El-Lahun. Senusret I promoted trade and improved the economy, contributing to the overall strength of the Middle Kingdom.