North Dakota History By brennatdyke 1610 Henry Hudson claimed Hudson Bay watershed for England, it included eastern North Dakota https://en.wikipedia.org/wiki/Henry_Hudson 1797 1797) English explorer, David Thompson, mapped northern part of state http://history.nd.gov/historicsites/thompson/index.html 1806 Lewis and Clark expedition arrived at Fort Mandan. https://en.wikipedia.org/wiki/Fort_Mandan 1861 The Dakota Territory officially organized William Jayne is now the first governor http://history.nd.gov/textbook/unit3_2_intro.html 1918 Influenza epidemic in North Dakota killed 2,700. http://ndstudies.gov/gr8/content/unit-iii-waves-development-1861-1920/lesson-4-alliances-and-conflicts/topic-11-great-war-1917-1918/section-5-influenza 1936 The highest and lowest temperatures recorded http://www.minotdailynews.com/news/local-news/2016/02/1936-coldest-winter-ever/