In July 1858, a record heatwave combined with centuries of raw sewage dumping created the infamous Great Stink of London. The River Thames turned into a boiling cauldron of human waste, producing a stench so vile that politicians in Parliament soaked their curtains in chloride of lime just to hold sessions. Desperate to suppress the odor before the capital collapsed into panic, Metropolitan Board of Works engineers concocted a heavy-handed solution: dump tons of disinfectant directly into the river and its tributaries.
They turned to chloride of lime and chalk, ordering it in unprecedented quantities. Almost overnight, London demanded over 250 tons of lime per week, overwhelming regional chemical manufacturers and lime kilns. Supply chains collapsed under the strain.
Ships carrying lime were given priority passage on waterways, while construction projects across the city ground to a halt as builders were outbid by desperate municipal officials hoarding every bag of lime they could find. Quarries in Kent and Surrey worked around the clock, but transportation bottlenecks caused severe delays. The panic-buying of lime cost taxpayers an astronomical sum, yet it barely made a dent in the Thames' foulness—it merely created a chalky crust over the sludge.
The crisis only subsided when rain cooled the river, but the frantic, failing attempt to bleach an entire river exposed the limits of Victorian industrial logistics and finally forced Parliament to fund Joseph Bazalgette's revolutionary sewer system.