Tawantinsuyu (Chaos)

Pre-European contact
Around 1200: Cuzco founded

1493: Huayna Capac becomes ruler of the Incas. 1527: Huayna Capac doesn't die. 1528: King Henrik of Scandinavia takes advantage of the war, takes the islands of Virgin Islands, Anguilla, Saint Christopher and Nevis, Antigua and Barbuda, and Montserrat for his empire. Huascar, son of Huayna Capac, caught conspiring against his brother, the heir of Huayna Capac, named Ninan Cuyochi. 1532: Huayna Capac died, Ninan Cuyochi became new Inca. 1541-50: Inca conquer Chibcha lands in OTL northern Columbia.

European contact
1547: After the end of the Great Occidental War, Europeans start regular trade with Mexica and Inca. They keep their independence because neither power wants the other one to own their rich lands.

1549: French monks arrive in the Inca Empire to convert the population to Christianity. Since ~1550: After Mexico, the Inca lands adapt a pidgin version of French for communication with the Europeans.

1550: Mining experts from Europe teach the Inca new techniques to get more silver from OTL Potosi. The Inca use their new riches to buy weapons and tools, and later books and machines from Europeans.

1553 Plagues hit Inca empire, killing a great percentage of the population. Chibcha in the North and several more (like the Aymara) in the South become practically independent again.

1560s: Inca empire conquers the southern Andes, now rules them from the Caribbean to Terra del Fuego.

1570: French trading with the Inca bring the potato from the Inca empire to Europe. At first, it's treated as a curiosity, or as medicine.

1571: With the help of his French advisors, Inca ruler Sayri Tupaq manages to stabilize his rule in the center of the old empire.

1583: Second big plague in the reduced Inca empire.