Dutch Golden Age By lblouin16 Jan 1, 1579 The Union of Utrecht Agreement in which the seven provinces of the Netherlands became united Period: Jan 1, 1600 to Jan 1, 1672 Dutch Golden Age Mar 20, 1602 Founding of "The Dutch East India Company" Jan 1, 1609 Founding of the Amsterdam Exchange Bank Apr 9, 1609 Treaty of Antwerp Initiated the Twelve Year Truce between Spain and Netherlands Jan 1, 1614 Dutch claim "New Netherlands" (Present day New York) Period: Jan 1, 1618 to Jan 31, 1648 Thirty Years War