Library of Congress

The Files

• Tartaria — Preserves historical maps and provides map-history context showing Tartary as an early modern geographic label rather than a modern nation-state.
• The "Flat" Arctic Hole — Maintains reference material documenting the long history of hollow-Earth theories.
• The "Martian" Canals — Preserves Lowell’s Mars writings and public interpretations of the canal controversy.
• Social Security Numbers as Slave Brands — Archive preserving the well-known 1939 image of a tattooed Social Security number.
• Mars Invasion as Orson Welles Fraud — Preserves the broadcast in the national historical record and documents its significance.
• The "Masonic" Street Layouts — Preserves maps and records central to the history of the Washington plan.
• The "Archive Erasure" — Publishes guidance on AI and metadata work that provides a factual base for the theory’s archival concerns.

Connected Figures & Organizations

• Franklin D. Roosevelt · 1 shared
• National Park Service · 1 shared
• National Archives and Records Administration · 1 shared
• UNESCO · 1 shared
• John Cleves Symmes Jr. · 1 shared
• Percival Lowell · 1 shared
• Dorothea Lange · 1 shared
• CBS Radio · 1 shared
• H. G. Wells · 1 shared
• Mercury Theatre on the Air · 1 shared
• Orson Welles · 1 shared
• Abraham Ortelius · 1 shared

Timeline

1. 1570Tartaria
2. 1711The "Masonic" Street Layouts
3. 1818The "Flat" Arctic Hole
4. 1877The "Martian" Canals
5. 1935Social Security Numbers as Slave Brands
6. 1938Mars Invasion as Orson Welles Fraud
7. 2020The "Archive Erasure"