Lunenburg was established by British colonial authorities in 1753 on the south shore of Mi'kma'ki, the homeland of the Mi'kmaq. Its founding followed the creation of Halifax and formed part of a strategy to strengthen Protestant settlement in Nova Scotia after Britain secured control of mainland Acadia. Officials laid out a rigid grid on a steep harbor-facing peninsula and settled more than 1,400 “Foreign Protestants,” mainly German, Swiss, and French-speaking migrants recruited in Europe. Their arrival unfolded amid conflict, dispossession, and the displacement of Acadians.

The geometric plan divided the town into rectangular blocks, house lots, public spaces, and defensive areas with little concession to the slope. Settlers initially faced poor harvests, supply problems, and the Lunenburg Rebellion of 1753, a protest against conditions and officials. Over time they adapted to the coastal environment and developed farming, fishing, timber trades, and shipbuilding. Family networks and distinct religious congregations gave the community cohesion, while interaction with Mi'kmaq, Acadian, British, and Atlantic maritime worlds shaped a culture more diverse than the planned colonial grid suggests.

By the nineteenth century Lunenburg had become a major fishing and shipbuilding port. Local yards produced schooners suited to the offshore banks, and merchants connected catches to markets across the Atlantic and Caribbean. The town's prosperity appeared in substantial wooden houses, warehouses, churches, and civic buildings. Architectural details evolved from restrained Georgian forms to Victorian ornament, yet builders retained the compact lots and street pattern established in 1753. Colorful façades now associated with Lunenburg were part of a living working town, not an originally coordinated decorative scheme.

The best-known vessel linked to Lunenburg is Bluenose, launched in 1921. Designed as a working fishing schooner, she also defeated American rivals in the International Fishermen's Trophy and became a Canadian icon before wrecking in 1946. Bluenose II, launched in 1963 and later rebuilt, continued that symbolic connection. Behind the celebrated schooner stood dangerous labor: crews worked long seasons on the Grand Banks, families endured losses at sea, and changing technology gradually displaced the sailing fleets that had sustained the port.

Twentieth-century economic shifts reduced traditional fishing and shipbuilding, while preservation and tourism gained importance. Residents retained an unusually complete stock of wooden buildings within the original plan, but fire, storms, development, and rising maintenance costs remained persistent threats. Conservation has depended on local ownership, municipal controls, skilled trades, and continued occupancy. The town must also confront environmental pressures, including sea-level rise and intense rainfall, that affect waterfront infrastructure and historic fabric on the steep site.

UNESCO inscribed Old Town Lunenburg in 1995 as the best surviving example of a planned British colonial settlement in North America. The designation recognizes the original grid and the community's tradition of adapting European building types to local materials and needs. It does not make the town a museum: homes, churches, businesses, workshops, and waterfront facilities remain active. Lunenburg's history joins colonial ambition, migration, Indigenous dispossession, maritime skill, dangerous work, architectural continuity, and contemporary debates over how a celebrated heritage town can remain livable.