The Great Boston Fire of 1760 destroys 349 buildings.

The Great Boston Fire of 1760 was one of the most destructive urban disasters in colonial American history. It began on March 20, 1760, in a small shop near the waterfront in Boston, then a bustling port town in the Province of Massachusetts Bay. Fueled by strong winds and the highly flammable wooden structures that dominated the city, the fire spread rapidly through densely packed streets. Within hours, flames consumed homes, warehouses, churches, and commercial buildings, leaving large portions of the town in ruins.

The destruction was extensive, with over 300 buildings destroyed and roughly one-tenth of Boston’s population left homeless. Important economic infrastructure, including wharves and merchant stores, suffered heavy losses, disrupting trade and livelihoods. Despite the scale of devastation, there were no widely recorded fatalities, which was somewhat remarkable given the speed and intensity of the blaze. Community efforts, including bucket brigades and the use of rudimentary firefighting tools, were ultimately unable to stop the fire until it burned itself out.

In the aftermath, the disaster prompted significant changes in urban planning and fire safety in Boston. Authorities encouraged the construction of more brick and stone buildings instead of wood, and new regulations aimed to reduce fire risks in the future. The event also highlighted the vulnerabilities of colonial cities and contributed to evolving approaches to public safety. While later fires—most notably the Great Boston Fire of 1872—would overshadow it in scale, the 1760 fire remains a pivotal moment in the city’s early history.