You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
What would a "Northern Dutch Brazil" have looked like if say during the siege of Salvador the Dutch relief fleet had managed to arrive early and beat off the Spanish-Portuguese fleet and theDutch manage to at least hold onto everything in Brazil from Bahia to the north.
More than likely a few other events would be needed to secure Dutch hold but how may a Northern Dutch and Southern Protuguese Brazil have developed?