Also known as: Yellow Jack, Tropical Fever, Fièvre Jaune, The Fever
Last updated: April 23, 2026
Yellow fever was the decisive factor in the defeat of Napoleon's expedition to restore slavery in Saint-Domingue. While the enslaved revolutionaries fought with extraordinary courage and strategy, the fever killed far more French soldiers than combat ever did.
Abbé Ouvière - Refugee priest turned physician whose Philadelphia career carried the Saint-Domingue archive into yellow-fever science
Charles Victor Emmanuel Leclerc - Died of yellow fever, November 1, 1802
marie-joseph-de-rochambeau - Assumed command after Leclerc's death
jacques-dessalines - Benefited from French losses to disease
Napoleon Bonaparte - His expedition destroyed by the fever
Yellow Fever
of-vertières - Fought against fever-weakened French forces
declaration-of-independence - Made possible by fever casualties
Leclerc Expedition - Devastated by the fever
weather-calendar - seasonal and environmental rhythms that shaped warfare
Yellow Fever - The "invisible ally" that decimated French forces
Yellow Fever - The invisible ally
Yellow Fever
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"Yellow Fever." Rasin.ai, 2026. https://rasin.ai/connections/concepts/yellow-fever. Accessed 2026-05-06.