Union of Utrecht Union of Utrecht The Union of Utrecht () was a treaty signed on 23 January 1579 in Utrecht, the Netherlands, unifying the northern provinces of the Netherlands, until then under the control of Habsburg Spain. The Union of Utrecht is regarded as the foundation of the Republic of the Seven United Provinces, which was not recognized by the Spanish Empire until the Twelve Years' Truce in 1609. The treaty was signed on 23 January by Holland, Zeeland, Utrecht (but not all of Utrecht) and the province (but not the city) of Groningen. The treaty was a reaction of the Protestant
Utrecht Archive Utrecht Archive The institution Archives of Utrecht (Dutch: "Het Utrechts Archief" (HUA)) is a records department in the Dutch City of Utrecht. The Utrecht Archives manages the biggest and richest collection of documents about the history of the city and the province of Utrecht and its towns and people. With over 200 km of archives, images (such as prints, drawings, maps, photo’s, films) and 70.000 publications, the Archive is the major source of information for the history of Utrecht. The Utrecht Archives also disposes knowledge about legal supervision of archives in the field of analog as well as digital archive