Western Europe / Atlantis 1450-1500 (Chaos)

Since 1450: The invention of the caravel in further helps developing oversea trade and colonization.
The Dutch sail down the coast of , found settlements (i.e. trading places) in OTL Carolina, Georgia.
After the improvements in the first half of the century, the church gradually becomes more corrupt. The riches the Castillians took in already increased their wishes, and when their share from Atlantis and is rolling in, they're demanding even more.
1453: Since the princes of North and South Portugal can't agree who should reign, can impose its rule again - although the king again has to swear to accept Portuguese rights.
1455: King has his completely mad younger brother Philippe (also duke of Bourbon) killed. The nobles (including the royal sidelines, and old king , who's talked by his advisors into it) who are already concerned with the growing power of the king, use this accident to rebel against him.
1456: Florentine traders arrive in Portuguese (it's neither in nor in the Mediterranean ...) where they see the new sailing ships.
1460: ends, Louis' other brother becomes king. He has to grant the other dukes a lot of power, however, which makes them practically independent.
The Danish discoverer explores the Hudson valley (later, OTL upstate New York is named after him).
The ambitious duke -Lüneburg, who inherited most lands of the Welfs, founds a colony in Atlantis at the site of Philadelphia, called (with the help of the cities and ).
1461: Portuguese discoverers reach the Senegal river. King insists that they try to find a way from here to the gold-rich , which doesn't work. However, they start to trade for gold (and slaves) at the Mauretanian island of .
1463/64: defeats , takes their colony of New Scotland, which is renamed , of course. The capital of the colony, Perth beyond the Ocean, is renamed after the winner of the battle, . England slowly extends its settlements, until they go from OTL Bar Harbor, Maine, to New Haven, Connecticut.
1466: Swedes found , their first city in Atlantis, at the site of OTL Wilmington, Delaware. They claim the whole Chesapeake peninsula for .
Cape Verde islands discovered by accident.
1468: First Florentine caravel crosses the Atlantic, finds the way to Nystad. They discover the Potomac, and since the area is yet unclaimed by Sweden, they claim it for .
1469: sends a ship to the new world; they find the coast of OTL Carolina, but the stronger Dutch don't allow them to make landfall.
1471: Anders Christensen discovers the mouth of St Lawrence river, but is killed a bit later by , so the expedition decides to return.
1475: Another Danish expedition reaches Lake Ontario. Soon, the first Danish colonies along St Lawrence river are founded. Together with the colonies of and Anderland, they form a belt around English colonies.
1477-83: (those of 1341-85 and 1414-26 being the first two), which ends with Aquitaine finally becoming French. - also entered the war on 's side.
1479/80: Sweden makes war with Norway, occupies and annexes Norwegian province of Jämtland.
1481: Tlacaelel, Cihuacoatl ("Prime Minister") of the Tenochca, dies.
Portuguese discoverers go further south, come to . The income of the Portuguese crown doubles within short time; the money is divided in three between the two Portuguese princes and the Castillian king, however.
1486: France sends the first ships to Atlantis, under a (of the infamous pirate family), making claim in the area of OTL Carolina, where they found at the site of OTL Charleston.
1487: English take Scottish capital of ; king and his three sons have to flee to Norway. The Shetland and Orkney islands become English, too.
1488: Portuguese reach the mouth of Niger river.
1490: makes the Republic of appoint his cousin Jean "protector of the republic", essentially giving him lots of real power, promising them an "everlasting alliance" with France against the Muslims.
1492 (SCNR): A Castillian expedition (well, it's funded by the king, and some of his people are on the ship, but since the Portuguese insisted, the captain and all the sailors are Portuguese - Castillians aren't allowed to build caravels) crosses the Atlantic, makes landfall in (which is named the same way ITTL), claim it for Castille-Portugal.
1493: Huayna Capac becomes ruler of the Incas.
1497: King dies without heir; Castille-Portugal is united with England-Scotland, forming the under .