On This Day

Idaho admitted as 43rd US state

There are 44 counties in the U.S. state of Idaho. The Idaho Territory was organized in March 1863, and Owyhee County was the first county in the territory to be organized, in December of that year.

There are 44 counties in the U.S. state of Idaho.

The Idaho Territory was organized in March 1863, and Owyhee County was the first county in the territory to be organized, in December of that year. Oneida County was organized in January 1864, while Missoula County was adopted the same month, before becoming part of the new Montana Territory in May. Shoshone, Nez Perce, Idaho and Boise Counties were recognized in February 1864; Alturas County was organized the same month. In December 1864, Kootenai and Ada Counties were created; Lah-Toh County was also created at this time but was abolished in 1867.

Idaho's present-day boundaries were established in 1868, and Lemhi County was created the following year.

Historical Significance

There are 44 counties in the U.

Events Before

  1. Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Ma

    Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in Mayerling in an apparent suicide pact

  2. Eiffel Tower officially opens for dignitaries and an award ceremony in Paris, France; designed by Gustave Eiffel and bui

    Eiffel Tower officially opens for dignitaries and an award ceremony in Paris, France; designed by Gustave Eiffel and built for the Exposition Universelle, at 300 meters high, it holds the record for the tallest man-made structure for 41 years

  3. George Eastman begins selling Kodak flexible roll film for the first time

    George Eastman begins selling Kodak flexible roll film for the first time

  4. Exposition Universelle (World's Fair) in Paris opens with the recently completed Eiffel Tower serving as the entrance ar

    Exposition Universelle (World's Fair) in Paris opens with the recently completed Eiffel Tower serving as the entrance arch; the lifts in the tower are not ready, so intrepid visitors have to climb 1,710 steps to reach the top

  5. Polish pianist, and politician Ignacy Jan Paderewski (38) weds Polish baroness, social activist, and humanitaran Helena

    Polish pianist, and politician Ignacy Jan Paderewski (38) weds Polish baroness, social activist, and humanitaran Helena Maria von Rosen (32) in Warsaw, Russian Empire, until her death in 1934

Events After

  1. French troops occupy Nioro, West Sudan, and 3,000 people are killed

    French troops occupy Nioro, West Sudan, and 3,000 people are killed

  2. A Hatfield marries a McCoy, ends long feud in West Virginia it started with an accusation of pig-stealing & lasted 20 ye

    A Hatfield marries a McCoy, ends long feud in West Virginia it started with an accusation of pig-stealing & lasted 20 years

  3. 56th UK Prime Minister Bonar Law (32) weds Annie Robley at West Free Church in Helensburgh, Scotland

    56th UK Prime Minister Bonar Law (32) weds Annie Robley at West Free Church in Helensburgh, Scotland

  4. 1st World Weightlifting Championship is won by Edward Lawrence in London

    1st World Weightlifting Championship is won by Edward Lawrence in London

  5. Music Hall (now Carnegie Hall) opens in New York City, with Pyotr Ilyich Tchaikovsky as guest conductor of the New York

    Music Hall (now Carnegie Hall) opens in New York City, with Pyotr Ilyich Tchaikovsky as guest conductor of the New York Music Society Orchestra

More from the 1890s

Frequently Asked Questions

What happened on July 3, 1890?
There are 44 counties in the U.S. state of Idaho. The Idaho Territory was organized in March 1863, and Owyhee County was the first county in the territory to be organized, in December of that year.
Why is Idaho admitted as 43rd US state significant?
There are 44 counties in the U.

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