Gerard Brantsen was one of the Dutch signatories to the treaty ending a war that began in what year?
Fourth Anglo-Dutch War The Fourth Anglo-Dutch War (1780–1784) was a conflict between the Kingdom of Great Britain and the Dutch Republic. The war, contemporary with the War of American Independence, broke out over British and Dutch disagreements on the legality and conduct of Dutch trade with Britain's enemies in that war.
Treaty of Lancaster The Treaty of Lancaster was a treaty concluded between the Haudenosaunee Confederacy (also known as "Six Nations" or Iroquois) and the colonial governments of Virginia Colony and Maryland Colony. Negotiations began at Lancaster, Pennsylvania, on June 25, and ended on July 4, 1744.