Open Travel Guide
History of North Dakota

North Dakota History & Heritage Guide 2026

The history of North Dakota told through its places: sites worth the detour and the context they need.

North Dakota has 5+ historical sites covered in this guide, led by Knife River Indian Villages National Historic Site, Fort Abraham Lincoln State Park and Chateau de Mores State Historic Site. Each entry below includes the practical details — what it costs, when to go, and how to plan around it.

North Dakota is a vast Great Plains state in the northern United States, renowned for the rugged badlands of Theodore Roosevelt National Park, the sweeping prairies, rich Native American heritage, and the largest contiguous waterfowl nesting habitat in North America. Bismarck serves as the capital, while Fargo is the cultural and commercial hub. The state surprises visitors with world-class museums, frontier history, and dramatic landscapes that few tourists know about.

Historical timeline

Key moments that shaped North Dakota.

  1. 1

    Paleo-Indian hunters occupy the region following the retreating glaciers

    ~10,000 BCE
  2. 2

    Mandan people establish semi-permanent earth-lodge villages along the Heart River

    ~1000 CE
  3. 3

    Hidatsa and Arikara nations settle in the region; complex trade networks develop

    1500–1600
  4. 4

    Pierre Gaultier de Varennes, Sieur de La Vérendrye, becomes first European to document contact with Mandan people

    1738
  5. 5

    Louisiana Purchase transfers the region to the United States

    1803
  6. 6

    Lewis and Clark winter at Fort Mandan near present-day Washburn; Sacagawea joins the expedition here

    1804–1805
  7. 7

    First permanent European-American settlement established at Pembina

    1812
  8. 8

    Dakota Territory organized by US Congress

    1861
  9. 9

    Northern Pacific Railway construction opens the region; massive bonanza farming operations begin

    1871–1883
  10. 10

    Theodore Roosevelt arrives to hunt bison; purchases the Maltese Cross Ranch near Medora

    1883
  11. 11

    Marquis de Mores establishes Medora and builds the Chateau de Mores

    1885
  12. 12

    North Dakota achieves statehood on November 2

    1889
  13. 13

    Nonpartisan League wins state elections; establishes state-owned Bank of North Dakota (still operating)

    1917
  14. 14

    Oil discovered near Tioga — first of the Williston Basin oil fields

    1951
  15. 15

    Bakken Formation fracking boom transforms western ND's economy; population surges in Williston area

    2006–2015

Historical sites

Places where North Dakota's past comes alive.

Historic

Knife River Indian Villages National Historic Site

Where: Stanton, ND

Admission: Free

Historic

Fort Abraham Lincoln State Park

Where: Mandan, ND

Admission: $8/vehicle; guided tours $5–$8 per person

Historic

Chateau de Mores State Historic Site

Where: Medora, ND

Admission: Adults $10 USD; Under 18 free

Historic

Fort Mandan Historic Site

Where: Washburn, ND

Admission: Adults $6 USD; Under 18 free

Historic

North Dakota Heritage Center & State Museum

Where: Bismarck, ND

Admission: Free