How did North Dakota get its state nickname?
North Dakota's official nickname, as adopted by the state
legislature, is the Peace Garden State because the International
Peace Garden is located on the border between North Dakota and
North Dakota is known as the Flickertail state after the popular
name of the Richardson's Ground Squirrel and the Roughrider State
because of the first US Volunteer Cavalry which was organized by
Theodore Roosevelt to fight in the Spanish American War.