300 settlers declared independence from both the US and Britain over a vague treaty line — and ran their own republic for three years before anyone bothered to stop them.
The Republic of Indian Stream emerged from a single ambiguous phrase in the 1783 Treaty of Paris, which defined the US-Canada border as 'the northwesternmost head of the Connecticut River.' The phrase was so vague that both the United States and Britain claimed the same patch of northern forest — and both governments taxed the settlers who lived there.
Fed up with being taxed twice and represented by neither government, roughly 300 settlers in the Connecticut River headwaters declared independence on July 9, 1832. They drafted a constitution, elected a governing council, and declared themselves 'a free, sovereign and independent state' — becoming one of the smallest republics in history.
Despite its tiny population, Indian Stream had a fully functioning government. An elected council legislated local affairs, a justice of the peace named Luther Parker administered the law, and the republic held elections and maintained courts throughout its three-year existence.
The republic's downfall began with a mundane debt dispute. A creditor used Canadian authorities to arrest an Indian Stream citizen for an unpaid bill. The republic's militia promptly crossed into Canada, freed their neighbor from British custody, and nearly triggered a diplomatic crisis between the US and Britain.
New Hampshire eventually lost patience and sent its own militia to assert jurisdiction in 1835. The settlers offered little resistance — they had never been especially interested in independence as a political principle; they just wanted to be taxed once and left alone.
The republic formally capitulated to New Hampshire on August 5, 1835, but the border dispute wasn't legally resolved until the Webster-Ashburton Treaty of 1842, which definitively assigned the territory to the United States. The area was incorporated as Pittsburg, New Hampshire, in December 1840.
Today, Pittsburg is the largest town by area in all of New England — a vast, sparsely populated stretch of forest that was once the site of North America's most improbable republic. New Hampshire's very first official historical marker stands there, commemorating the three-year nation almost no one remembers.