Hattie "Ledger" McFee-Callahan

— One Pittsburgh bookkeeper, a single rogue decimal, and the forced liquidation of America’s second-largest fortune. —

— A single stray zero on the ticker tape proves that 1928 was just 1929 in rehearsal. —

— An audit of the United States Bullion Depository reveals a 98.7% shortfall and a portfolio of astonishingly poor quality. —

— A single misplaced zero in a Medici ledger gives the Pope a cash-flow crisis and Martin Luther an unexpected benefactor. —

— That time a rounding error in Amsterdam financed an emperor’s shopping spree. —

— 87% of Tenochtitlan merchant-priests agreed: “Ahuitzotl’s fiscal policy is absolutely fucked.” —

— How a 15th-Century typo accidentally cock-blocked the entire Spanish Empire. —

— How the Spanish Empire traded a mountain of silver for a pile of literal dirt, and why God still hasn't stopped laughing. —

— How a pissed-off Florentine bookie, a dipshit nephew, and one hell of an accounting error accidentally green-lit the fall of Constantinople. —

— How the Achaemenid Empire Was Accidentally Liquidated by History’s Worst Accountant —

— How a fit of Ottoman-induced pique led to the world’s first piratical private equity fund and the most expensive audit in history. —

🎙 On the Phonograph

— How a thirsty Rain God and a single-commodity economy turned the biggest empire in Mesoamerica into a cautionary tale for cryptocurrency shitheads. —