Moggallana I was a ruler of the ancient kingdom of Anuradhapura in Sri Lanka, reigning during the 5th century CE. He was known for his efforts to restore and strengthen the kingdom after a period of turmoil and conflict. Moggallana I is often credited with promoting Buddhism and supporting the construction of various religious monuments. His reign is marked by significant developments in infrastructure and agriculture, which helped improve the lives of his subjects. Moggallana I's leadership contributed to the stability and prosperity of Anuradhapura, making it a prominent center of culture and religion in the region during his time.