The Silk Road was a vast network of trade routes connecting the East and West, officially opened during the Han Dynasty of China when Zhang Qian established contact with Central Asian kingdoms. It was not a single road but a series of land and sea routes stretching from China through India and Persia to the Mediterranean. While silk was the primary commodity, the road was more significant for the exchange of ideas, technologies, and religions. Buddhism, Islam, and Christianity spread along these routes, as did paper-making and gunpowder. It was the first truly globalized trade network, and its decline only occurred centuries later as maritime routes became more efficient. The Silk Road remains a symbol of early human interconnectivity and the cultural synthesis between distant civilizations.