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Primary sourceDocumentNovember 16, 1907

Proclamation 780: Admission of Oklahoma

Theodore Roosevelt · November 16, 1907

This 1907 proclamation by Theodore Roosevelt formally admits Oklahoma as the 46th state of the United States.

This proclamation illustrates Roosevelt's presidential authority in a pivotal moment of American expansion.

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Scanned black-and-white page of Presidential Proclamation 780 dated November 16, 1907. Typed text declares Oklahoma admitted to the Union. Below are a large embossed seal of the United States with a ribbon, a handwritten signature of Theodore Roosevelt, and a signature of the Secretary of State above the title.
Theodore Roosevelt, Proclamation 780, November 16, 1907.

About this source

What it is

This document is a presidential proclamation issued by Theodore Roosevelt in 1907, announcing the admission of Oklahoma into the Union following the ratification of its constitution.

Why it matters

This proclamation marks a significant moment in American history, representing the culmination of the territorial expansion process and showcasing Roosevelt's role in shaping the nation's geography and governance during a transformative era.

Look closer

  • What does this document reveal about the processes involved in admitting new states to the Union?
  • How does the language used in the proclamation reflect the political context of the time?
  • What implications did Oklahoma's admission have for the Native American tribes in the region?

This document is part of the curated material that grounds the AI version of Theodore Roosevelt on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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