List of World Map Changes - 17th Century

17th Century

1685

• New York becomes a royal colony

1682

• Robert de La Salle sails down the Mississippi River

1664

• New Jersey founded

1663

• Rhode Island becomes a colony

1662

• Connecticut becomes a British royal colony

1661

• Aurangzeb of the Mughal Empire gives the port of Bombay to the British

1660

• May 27 — The treaty of Copenhagen leads to Sweden returning Trøndelag to Norway and Bornholm to Denmark

1658

• February 26 — Sweden gains in Danish-Norwegian regions of Blekinge, Bornholm, Bohuslän (Båhuslen), Scania (Skåne) and Trøndelag and the 30 year ownership of Halland is made permanent in the treaty of Roskilde

1648

• The Netherlands, Switzerland, and many Italian city-states are made independent of the Holy Roman Empire

1645

• August 13 — Torstenson War ends with Second Treaty of Brömsebro (1645). Sweden gains the Norwegian provinces of Jämtland and Härjedalen and Idre & Särna as well as the Danish Baltic Sea islands of Gotland and Ösel. The Danish province of Halland was also transferred for a period of 30 years.

1640

• December 1 — Portugal separates from personal union with Spain

1638

• Delaware founded

1634

• Maryland founded

1626

• Dutch purchase Manhattan

1623

• New Hampshire founded

1620

• Massachusetts founded

1617

• February 27 — In the treaty of Stolbovo Sweden gained the Russian province and fortress of Kexholm (Käkisalmi, now Priozersk) and the province of Ingria including the fortress of Nöteborg (now Shlisselburg, Russia)

1610

• Henry Hudson discovers Hudson Bay

1607

• Jamestown and Virginia Colony founded

1601

• January 17 — France gains Bresse, Bugey, and Gex from Savoy, and cedes Saluzzo to Savoy in exchange