Episode 1 of 2

Congressional Organization

When: 1863-03-03
Where: Washington, D.C.
Part of: Idaho Territory is organized by the U.S. Congress

The U.S. Congress officially organized Idaho Territory on March 3, 1863, through an Act signed by President Abraham Lincoln.

The territory was officially organized on March 3, 1863, by Act of Congress, and signed into law by President Abraham Lincoln. This act established the organized incorporated territory that existed until 1890.

Sources

Idaho Territory Wikipedia, revision of 2026-10-05

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.