The Arbitration Rock was set in 1769 as the boundary marker between the two Long Island townships of Newtown and Bushwick.
To a large extent, the dispute reflected the conflict between the original Dutch settlers of Bushwick with the burgeoning English colonists of Newtown, New York.
Some people had kitchens in Queens and living rooms in Brooklyn, in addition to facing confusion about voting and tax rates.
Street improvements made to Onderdonk Avenue in the 1930s where it had lain for more than 10,000 years caused the glacial boulder to become buried below the surface.
Even after 340 years, the Arbitration Rock continued to hold its central placement in disputes between Queens and Brooklyn.