Great Plague of London

Great Plague of London
Event name	Great Plague
Caption	A 1665 depiction of the plague in London
Date	1665–1666
Location	City of London, Kingdom of England
Type	Bubonic plague epidemic
Cause	Yersinia pestis bacterium
Fatalities	Estimated 68,596–100,000

Great Plague of London. The Great Plague was the last major epidemic of bubonic plague to occur in England during the 17th century. It ravaged the capital between 1665 and 1666, causing catastrophic mortality before its abrupt decline, an event often associated with the subsequent Great Fire of London.

Background and causes

The disease was caused by the bacterium Yersinia pestis, typically spread by fleas carried on black rats. London had suffered periodic outbreaks for centuries, including the Black Death and the 1603 London plague outbreak. The city was a densely populated, unsanitary metropolis where conditions were ideal for contagion. Contemporary medical theory, based on Hippocratic humorism and miasma theory, failed to understand the bacterial transmission. International trade, such as with the Dutch Republic which experienced outbreaks in Amsterdam, also facilitated the pathogen's arrival.

Outbreak and spread

The plague is believed to have arrived via infected goods from the Netherlands in late 1664, first taking hold in the parish of St Giles in the Fields. By spring 1665, mortality rates began to climb sharply. The outbreak peaked during the hot summer months, devastating crowded parishes like Stepney, Whitechapel, and Southwark. The movement of people, including courtiers fleeing to Oxford with King Charles II, helped spread the disease beyond the City of London into surrounding areas like Greenwich and Westminster.

Mortality and social impact

Official Bills of mortality recorded 68,596 deaths, but the true toll is estimated between 75,000 and 100,000, perhaps a quarter of London's population. The social fabric unraveled as quack doctors peddled useless cures and many clergymen and physicians fled. The poor were disproportionately affected, trapped in overcrowded slums. Daily life was marked by the cry of "bring out your dead" and the mass interment of bodies in plague pits such as those at Finsbury Fields and Bunhill Fields.

Government and civic response

Authorities implemented quarantine measures rooted in Tudor period laws. The Lord Mayor of London and aldermen enforced orders for the shutting up of infected houses, marked with a red cross. Watchmen were posted to prevent escape. Public gatherings were banned, and dogs and cats were indiscriminately killed in a misguided attempt to curb the pestilence. Samuel Pepys's diaries and Daniel Defoe's A Journal of the Plague Year provide vivid accounts of the official and public response.

Decline and aftermath

The plague's virulence began to wane sharply after the cold winter of 1665–66, with mortality rates falling dramatically by early 1666. The Great Fire of London in September 1666 is popularly credited with cleansing the city by destroying the rat-infested slums, though the epidemic had already subsided. The fire did, however, lead to a major reconstruction under architects like Christopher Wren. The plague never returned on such a scale to London, though sporadic cases occurred in other ports like Marseille and Messina in later decades.

Historical significance and legacy

The Great Plague marked the end of centuries of plague epidemics in England. It exposed the ineffectiveness of contemporary medicine and public health policies. The event was a pivotal subject in the works of William Boghurst and Nathaniel Hodges, who wrote detailed medical observations. It remains a key case study in the history of epidemiology and is often analyzed alongside other historic pandemics like the Plague of Justinian and the 1918 flu pandemic.

Category:1660s in London Category:Plague pandemics Category:History of London Category:17th-century epidemics