https://www.nd.gov/content.htm?parentCatID=74&id=Nicknames North Dakota Nicknames: ND.gov Seriously Nicknames: North Dakota Official website (ND.gov) Peace Garden/Flickertail/Rough Rider State State Nicknames: ND.gov Peace Garden State https://www.nd.gov/content.htm?parentCatID=74&id=Nicknames Nicknames: North Dakota Official website (ND.gov)