The Great Fire of London: A Calamity of 1666

In 1666, the city of London, while being one of the world's largest metropolises, was a disaster waiting to happen. The Great Fire of London serves as a pivotal historical event that reshaped the city, driven by a perfect storm of environmental hazards, social tension, and administrative incompetence.

The Ingredients of Disaster

London in the 1660s was highly susceptible to conflagration. Buildings were "tightly packed together" and constructed primarily of wood, which, as host Greg Jenner notes, is naturally "flammable." With no electricity, open fires were the sole source of light and heat. Furthermore, the city was already reeling from the devastating plague, leading people to engage in dangerous practices like smoking tobacco or firing guns to "ward it off." Compounding these risks, the Royal Navy—the primary firefighting force—was absent, engaged in a naval war against the "Dutch Republic."

The Spark and the Failed Response

The fire ignited in the early hours of September 2nd at Thomas Fariner’s bakery on Pudding Lane. What began as a tragic accident involving an unextinguished oven quickly spiraled out of control. The response was hampered by broken equipment and the inaction of local leadership. Mayor Sir Thomas Bloodworth, described by the diarist Samuel Pepys as a "silly man," famously dismissed the fire as too minor to address, suggesting it could be extinguished by a woman’s urine. As the fire spread to Thames Street—a repository for "flammable goods" like hay, alcohol, and animal fat—the situation became irreversible.

Chaos and Survival

As the city burned, the social fabric frayed. While many Londoners fled to open spaces like Moorfields, others faced exploitation by "rotters"—cart drivers who inflated prices to transport belongings and thieves who preyed on the desperate. Young William Taswell, a schoolboy who documented the event, witnessed his own home being robbed while he watched the fire from Westminster. The iconic London Bridge was also consumed, and the fire eventually reached St. Paul’s Cathedral, which was encased in "wooden scaffolding."

The Aftermath and Rebuilding

King Charles II and the Duke of York attempted to restore order by personally participating in firefighting efforts, mobilizing citizens like Taswell to protect the Tower of London from its own gunpowder stores. Once the fire subsided, the devastation was total: 80% of the old city was destroyed, leaving thousands homeless. In the wake of the trauma, xenophobic violence erupted against foreigners, fueled by false claims that the fire was a "deliberate terrorist attack" by Dutch spies or Catholics.

Ultimately, the rebuilding process was spearheaded by the polymath Christopher Wren. Although his grand vision for wide boulevards was largely rejected by property owners who insisted on keeping their original plots, he succeeded in replacing wooden structures with "stone-clad" buildings. Wren’s legacy remains in the modern design of St. Paul’s Cathedral and the monument he co-designed with Robert Hooke. Despite these architectural advancements, the event left deep psychological scars, with survivors like Pepys haunted by nightmares for years, and a quarter of the displaced population never returning to the city.