Manco Capac founded the Inca Empire. This marks the very beginning of the Inca Empire
Machu Pichu is the famous mystery of the Inca Empire. Machu Pichu was never finished, because the disease smallpox wiped doubt the residence and builders before the city was completed.
While exploring the South Americas, Pizarro found the Incas. SSeeing the treasure that the Incas had he immediately asked for permission to attack them. This marks the beginning of the end of the Inca empire.
After Pizzaro got permission to attack, Pizzaro returned to South America with more men to attack. The civil war was still taking place during this time
Before Atahualpa father died he did not appoint a new Sapa Inca. Therefore, a civil war broke out between two brothers. Atahualpa won the civil war and became emperor.
Once his brother, Atahualpa, died he became Sapa Inca.
After about 36 years of fighting, Manco Inca died and the Spanish took over the ruling. This marked the end of the Inca Empire.