The presidency of Theodore Roosevelt started on September 14, 1901, when Theodore Roosevelt became the 26th president of the United States upon the assassination of President William McKinley, and ended on March 4, 1909.

Theodore Roosevelt Jr.[b] (October 27, 1858 – January 6, 1919), also known as Teddy or T. R., was the 26th president of the United States, serving from 1901 to 1909. Roosevelt previously was involved in New York politics, including serving as the state's 33rd governor for two years.

Nov 13, 2009 · Theodore Roosevelt unexpectedly became the 26th president of the United States in September 1901 after the assassination of William McKinley.

With the assassination of President McKinley, Theodore Roosevelt, not quite 43, became the youngest President in the Nation’s history. He brought new excitement and power to the Presidency, as he vigorously led Congress and the American public toward progressive reforms and a strong foreign policy.

Jan 31, 2025 · Theodore Roosevelt was the 26th president of the United States (1901–09) and a writer, naturalist, and soldier. He expanded the powers of the presidency and of the federal government to support public interest in conflicts between big business and labor and increased the U.S. role in world politics.

With the assassination of President McKinley, Theodore Roosevelt, not quite 43, became the youngest President in the Nation’s history. He brought new excitement and power to the...

With the assassination of President McKinley, Theodore Roosevelt, age 42, became the youngest president in the nation’s history. He brought new excitement and power to the presidency, as he briskly led Congress and the American public toward …

Dec 17, 2024 · The Presidency of Theodore Roosevelt was from September 14, 1901–March 4, 1909. He was sworn in as President after President William McKinley was assassinated in August 1901. Roosevelt finished McKinley’s term and was elected to a second term in 1904.

The presidency of Theodore Roosevelt began on September 14, 1901, when Theodore Roosevelt was inaugurated as the 26th president of the United States following the assassination of William McKinley, and it ended on March 4, 1909.

At the age of 42, Theodore Roosevelt became the 26th President of the United States. After becoming President due to McKinley’s assassination in 1901, Roosevelt was determined to win the presidency “in his own right” in the next election.