When did the incans flourished from?

The Incas flourished from the early 15th century until the Spanish conquest in the 16th century, specifically from around 1438 to 1533. During this period, they established a vast empire in South America, primarily in present-day Peru, Ecuador, Bolivia, and parts of Chile and Argentina. The Incan civilization is known for its advanced agricultural techniques, impressive architectural achievements, and extensive road systems.