Every event in our archive, in chronological order. Showing the 1870s — 3 events. Click any event to read the full theory page.
Alfred Russel Wallace repeats Rowbotham's experiment controlling for atmospheric refraction — confirms curvature. Rowbotham's error identified as failure to account for known optical effect.
The Flat Earth Theory →Following the Great Fire, Chicago engineers raise the city's street level by several feet across large areas — a documented example of the urban stratification process that explains below-grade building features worldwide.
Tartaria and Mud Flood Claims →Founded in San Francisco by journalists as a cultural club; moves toward elite membership.
Bohemian Grove →