Year

1666

2 sourced events from this year.

Events

1666 Timeline

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Disaster17th CenturyEurope

Great Fire Ravages London Starting in Pudding Lane

In the 17th century, London remained a densely packed medieval city filled with wooden buildings that posed constant fire hazards after a hot, dry summer. On September 2, 1666, flames erupted in the house of King Charles II's baker Thomas Farriner on Pudding Lane near London Bridge. Strong east winds rapidly spread the blaze through narrow streets and timber structures despite efforts by residents and officials. King Charles II and his brother personally oversaw firefighting, ordering the creation of firebreaks, but the inferno consumed much of the City of London over four days. It destroyed roughly 13,000 houses, 87 parish churches including the old St. Paul's Cathedral, and key civic buildings while displacing tens of thousands who sought refuge in...

Science17th CenturyEurope

Samuel Pepys Records First Dog Blood Transfusion

In Restoration England, scientific curiosity about circulation and medicine was growing rapidly following William Harvey's earlier discoveries on blood flow. On November 14, 1666, English diarist Samuel Pepys noted in his journal an experiment conducted by physician Richard Lower in which blood was successfully transfused between two dogs, with one animal's blood being drained and replaced by that of another. This built on prior animal experiments and represented one of the earliest documented attempts at blood transfusion. Pepys described the procedure in detail after observing or hearing reports of it, highlighting the era's interest in physiological research. The immediate result was the survival of the recipient dog, demonstrating the potential for such interventions though human applications would prove far riskier...