Explorers before 1300 AD/CE http://www.enchantedlearning.com/explorers/1300.shtml
Native Americans before 1492 AD/CE http://www.historycentral.com/Indians/Before.html
Explorers during the 1400AD/CE http://www.enchantedlearning.com/explorers/1400.shtml
Native Americans before 1492 AD/CE http://www.historycentral.com/Indians/Before.html
Explorers during the 1400AD/CE http://www.enchantedlearning.com/explorers/1400.shtml