Events relating to the incas
The Inca ethnic group migrates into the region of the Cuzco valley in Peru
After a decisive victory over the Chanca people, a young Inca prince seizes the throne in Peru and takes the name Pachacuti
Cuzco, city of the Incas, grows rapidly in power after Pachacuti ('transformer of the earth') becomes emperor

The massive architecture of the Incas, consisting of finely dressed irregular blocks of stone, becomes a feature of Cuzco
The most sacred of the Inca divinities, Punchao, is symbolized by a great golden disc representing the sun
The Chimu empire in Peru is conquered by the Incas under the leadership of Pachacuti's son Topa
Topa succeeds his father, Pachacuti, as emperor of the Incas
The Inca empire is extended to the north and a second capital is established at Quito
On Topa's death his son Huayna Capac succeeds to the throne as Inca emperor

Even the remote city of Machu Picchu, on its peak above the jungle, is built in the massively precise Inca style of masonry
The female mamakuna and the male yanakuna are selected in childhood to serve the Inca state
The Inca empire has about 25,000 miles of well-serviced roads, designed for caravans of llamas
In Cuzco's great temple, the sacrifices are usually of llamas, occasionally of humans
The Inca emperor, Huayna Capac, dies in an epidemic of a western disease, smallpox
Ruling respectively from Cuzco and Quito, Huáscar and Atahualpa compete for the empire of their father, Huayna Capac
Francisco Pizarro sails from Panama to attempt the conquest of Peru
Atahualpa defeats and kills his half-brother Huáscar, thus winning control of the entire Inca empire
Francisco Pizarro leads 168 men, with about 30 horses, into the territory of the Inca empire
Pizarro and his tiny force ambush and massacre the Inca court in Cajamarca, capturing Atahualpa himself alive
Atahualpa agrees to buy his freedom from the Spaniards with a room full of gold and another of silver
Although the ransom has been paid, Atahualpa is executed by the Spaniards — who ensure that he dies a Christian
The Spanish conquistadors capture and sack the Inca capital of Cuzco, high in the Andes
Manco Inca begins a siege of the Spaniards in Cuzco that lasts for a year
With the end of the siege of Cuzco, and the flight of Manco Inca, the Spanish have full control of Peru
An Indian uprising in Spanish Peru is led by a descendant of the Incas, Tupac Amaru II