The Kingdom of Aksum was an ancient civilization located in what is now northern Ethiopia and parts of Eritrea. It thrived from around the 1st to the 7th century CE and was known for its impressive architecture, including large stone obelisks and the famous city of Aksum. The kingdom was a major trading hub, connecting Africa, the Middle East, and India. Aksum was one of the first civilizations to adopt Christianity as the state religion in the 4th century CE, under King Ezana. The kingdom's economy was based on agriculture, trade, and the export of goods like ivory and gold. Aksum's influence extended across the Red Sea, impacting cultures and trade routes in the region.