In 1822, Gregor MacGregor perpetrated the Poyais investment fraud by inventing a fictional Central American nation and selling land certificates and government bonds to wealthy British investors. This massive scam highlighted the vulnerabilities of investors and the potential for deception in speculative ventures. The exposure of the fraud not only ruined many investors but also served as a cautionary tale about the risks associated with unregulated financial markets.

The exposure of the Poyais investment fraud in 1822 inspired a wave of British ballads and satirical poetry. Writers used this incident to critique the gullibility of high society and warn against the seductive fictions of colonial expansion, embedding it in cultural memory.