History: Inca Empire: Despite having no written language or the wheel, they built a massive road system stretching over 40,000 kilometers across the Andes.
History: Han Dynasty: This era in China saw the invention of paper, the sundial, and the seismograph to detect distant earthquakes.
History: Spanish Empire: It was the first empire to be described as "the empire on which the sun never sets" due to its territories in the Americas, Europe, and Asia.