BOISE -- The unique and varied Idaho Territory was signed into existence 150 years ago on March 4, 1863. That's when President Abraham Lincoln, among others, approved a historic document that created the enormous Idaho Territory.

This vast expanse of land encompassed mountains, wild rivers, and rolling sage brush plains from present-day Idaho through Wyoming and Montana. Rugged and beautiful, it was populated by Native Americans, pioneers, miners, and immigrants from throughout the world.

Nowadays, modern Idahoans can trace their roots to this time period. To mark the territory's historic creation, KTVB has partnered with the Idaho Historical Society to celebrate the territorial sesquicentennial. The ceremony is titled Idaho at 150.


Idaho's territorial sesquicentennial Idaho at 150 celebration is set for Monday, March 4 at 12 p.m.

The ceremony will include remarks by Gov. C.L. Butch Otter, along with the naming of the Abraham Lincoln Auditorium at the Statehouse.

Other features include:

  • Musical performances by Idaho schoolchildren
  • A costumed Abraham Lincoln actor
  • Civil war reenactments
  • Former Idaho Attorney General and Lincoln expert David Leroy

KTVB Idaho's News Channel 7 will televise the event, starting at 11 a.m. and continuing through the News at Noon.

We'll also stream the coverage live on KTVB.COM and on KTVB's mobile apps.

Festivities at the Statehouse begin at 11 a.m. The ceremony will conclude at 1 p.m.

Importantly, Idaho schoolchildren throughout the state will have a chance to watch through KTVB's live stream. Those on social media are encouraged to interact through Facebook and Twitter using the hashtag #Idaho150.

For more information, visit the Idaho Historical Society online.

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