Which board game was developed first, Conspiracy or History of the World?
Conspiracy (board game) Conspiracy is a 1973 board game made by Milton Bradley. It can be played by 3 or 4 people, and the main goal is to bring a suitcase to their own headquarters through the use of spies.
Ong's Hat Ong's Hat was one of the earliest Internet-based secret history conspiracy theories created as a piece of collaborative fiction (aka "Incunabula") by four core individuals, although the membership propagating the tale changed over time.