The POTUS Timeline
President #26

Theodore Roosevelt

Theodore Roosevelt was the 26th president of the United States, serving from 1901 to 1909 after succeeding William McKinley. A Republican reformer and conservationist, he expanded federal regulation, trust-busting, and American influence abroad.

Legacy Summary

Roosevelt broadened the role of the federal government in regulating business and protecting consumers. His "Square Deal" policies included antitrust actions, the Pure Food and Drug Act, and major conservation initiatives that created national parks, forests, and monuments.

He transformed the presidency into a more active office and pursued an assertive foreign policy summarized by "speak softly and carry a big stick." He mediated the end of the Russo-Japanese War, advanced construction of the Panama Canal, and left a lasting impact on American institutions and global presence.

Notable Actions

Assumed the presidency after William McKinley’s assassination (1901); Launched the "Square Deal" with trust-busting and regulatory reforms; Enacted the Pure Food and Drug Act and Meat Inspection Act (1906); Established national parks, forests, and monuments through expanded conservation policy; Brokered peace in the Russo-Japanese War, receiving the 1906 Nobel Peace Prize; Supported Panama Canal construction and demonstrated U.S. naval power (Great White Fleet).

Timeline Entries

Key highlights and dated events associated with this presidency.

Showing 12 of 136 entries.

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Roosevelt Signs the Hepburn Act
June 29, 1906 Theodore Roosevelt
Legislation

Roosevelt Signs the Hepburn Act

Roosevelt signed the Hepburn Act, which expanded the Interstate Commerce Commission's authority to set maximum railroad rates and extended its regulatory jurisdiction.

Roosevelt Signs the Antiquities Act
June 8, 1906 Theodore Roosevelt
Legislation

Roosevelt Signs the Antiquities Act

President Theodore Roosevelt signed the Antiquities Act into law, authorizing the president to designate national monuments to protect historic landmarks and natural features.

Annual Message to Congress (1905)
December 5, 1905 Theodore Roosevelt
Speech

Annual Message to Congress (1905)

President Theodore Roosevelt delivered his annual message to Congress on December 5, 1905, setting out priorities such as regulation of trusts, conservation of natural resources, naval preparedness, and support for arbitration in international disputes.