History of North Dakota By msmoberg5 Oct 14, 1804 The Lewis and Clark Expedition reaches ND https://www.ndstudies.gov/gr4/frontier-era-north-dakota/part-3-lewis-and-clark-expedition/section-4-expedition-north-dakota(https://www.timetoast.com) 1861 North Dakota became a territory. https://www.history.com/topics/us-states/north-dakota(https://www.timetoast.com) Nov 2, 1889 North Dakota became a state http://www.americaslibrary.gov/jb/gilded/jb_gilded_dakotas_1.html(https://www.timetoast.com) 1929 The Great Depression hits ND https://bismarcktribune.com/news/state-and-regional/govt-and-politics/the-great-depression-helped-shape-north-dakota-and-its-leaders/article_e757c675-7d56-5d80-a87c-cbbbb3748be6.html(https://www.timetoast.com) 1947 The Garrison Dam is built creating Lake Sakakawea https://en.wikipedia.org/wiki/Garrison_Dam(https://www.timetoast.com)