Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Theodore Roosevelt

Theodore Roosevelt

Learn about Theodore Roosevelt, the 26th president of the United States.
Encyclopædia Britannica, Inc.
  • Encyclopædia Britannica, Inc.
    People come from all over the United States and all over the world to live in the Pacific Region of the U.S.
    Meet diverse immigrants in the Pacific Region and follow an immigrant Vietnamese family in California
    Meet diverse immigrants in the Pacific Region and follow an immigrant Vietnamese family in California
  • Encyclopædia Britannica, Inc.
    The U.S. presidential election of 1912.
    Compare the Progressive politics of Teddy Roosevelt, William Howard Taft, and Woodrow Wilson
    Compare the Progressive politics of Teddy Roosevelt, William Howard Taft, and Woodrow Wilson
  • Encyclopædia Britannica, Inc.
    The United States quickly became known as formidable in battle as well as diplomatically savvy.
    Examine the conflict between U.S. President Wilson and Congress in the aftermath of World War I
    Examine the conflict between U.S. President Wilson and Congress in the aftermath of World War I
  • Encyclopædia Britannica, Inc.
    The Panama Canal wasn't always operated by Panama.
    How was the Panama Canal built—and who owns it?
    Black-and-white photo of Teddy Roosevelt over Panama Canal backdrop, flanked by Panama and U.S. flags with “or” and a question mark between them.
Related Articles: Theodore Roosevelt

News •

Today in History: November 9, Theodore Roosevelt becomes first president to travel abroad • Nov. 9, 2026, 4:01 AM ET (The Lowell Sun)
Entry to Colorado’s national parks, monuments is free on Tuesday • Oct. 22, 2026, 11:40 AM ET (The Denver Post)
Last Modification: