Leif Ericson
- Netflix "Deadliest Warrior" Eposide 2
- http://www.coreknowledge.org/mimik/mimik_uploads/lesson_plans/163/Leif%20Ericsson%20Leif%20the%20Lucky%20an%20Unsung%20Discoverer.pdf
- http://www.historyforkids.org/learn/medieval/history/earlymiddle/vikings.htm
Christopher Columbus