Ptolemy II was a ruler of the Ptolemaic Kingdom in ancient Egypt, reigning from 283 to 246 BCE. He was the son of Ptolemy I Soter, the founder of the dynasty, and is known for his efforts to expand and consolidate his father's empire. Ptolemy II promoted trade, culture, and the arts, making Alexandria a center of learning and commerce. Under his rule, the famous Library of Alexandria flourished, attracting scholars from around the Mediterranean. Ptolemy II also engaged in military campaigns to secure his territory and established diplomatic relations with other kingdoms, enhancing the influence of the Ptolemaic dynasty.