Map showing the Known and Unknown World just before Christopher Columbus sailed, the voyages of Columbus, Vasco Da Gama, Magellan and Drake
United States Lines - Comfort, Courtesy, Safety, Speed
The Emergence of Modern America (1890-1930)
A National Archives Foundation educational resource using primary sources from the National Archives

View the full document here: https://docsteach.org/document/map-showing-the-known-and-unknown-world/
Map showing the Known and Unknown World just before Christopher Columbus sailed, the voyages of Columbus, Vasco Da Gama, Magellan and Drake
This primary source comes from the Records of the Office of the Chief Signal Officer.
National Archives Identifier: 86729908
Full Citation: Map showing the known and unknown World just before Christopher Columbus; 2/19/1921; Photographs of American Military Activities, ca. 1918 – ca. 1981; Records of the Office of the Chief Signal Officer, Record Group 111; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/map-showing-the-known-and-unknown-world/, April 1, 2026]
Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.