The Great Fire of London occurred in the year 1666. This devastating event began on September 2 and lasted for four days, decimating a large portion of the city. The fire started in a bakery on Pudding Lane and quickly spread, fueled by the wooden structures and tight living conditions typical of the time. It is estimated that around 13,200 houses were destroyed, along with numerous churches and St. Paul's Cathedral. The aftermath led to significant changes in building regulations and city planning in London, emphasizing the need for fire safety and better urban infrastructure.