Historedia
Group or institution

U.S. Congress

Events
3
Episodes
6
Years
1817–1864

Every event in Historedia whose sources name U.S. Congress, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. U.S. Congress splits the Mississippi Territory, creating the Alabama Territory

    1817

    Role: Legislative Body

    1. March 3, 1817 · U.S. CapitolCongressional Division Act

      Federal statutes enacted on March 1 and 3, 1817, established the plan to divide the Mississippi Territory into the State of Mississippi and the Alabama Territory.

    2. August 15, 1817 · Mississippi TerritoryMississippi Constitution Adoption

      Mississippian delegates adopted a state constitution on August 15, 1817, satisfying the condition for the Alabama Territory's effective designation.

    3. October 10, 1817 · Alabama TerritoryAlabama Territory Effective

      The Alabama Territory became effective on October 10, 1817, following the adoption of the Mississippi constitution, and the western half was admitted as a state in December.

  2. Kansas Admitted as the 34th U.S. State

    1861

    Role: Legislative body responsible for admitting new states

    1. January 29, 1861 · Topeka, KansasAdmission of Kansas as the 34th State

      Kansas was admitted to the Union as a free state on January 29, 1861, ending the Bleeding Kansas conflict.

  3. Idaho Territory is organized by the U.S. Congress

    1863–1864

    Role: Legislative Body

    1. 1863-03-03 · Washington, D.C.Congressional Organization

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

    2. 1864-01-04 · Idaho TerritoryAdoption of Laws

      Congress failed to provide codes upon inception, so the territory's original laws were adopted on January 4, 1864.

Sources

  1. Alabama Territory Wikipedia, revision of 2025-11-13
  2. Mississippi Territory Wikipedia, revision of 2026-09-29
  3. Admission to the Union Wikipedia, revision of 2026-07-26
  4. Idaho Territory Wikipedia, revision of 2026-10-05