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Theodore Roosevelt Jr. October 27, 1858 New York City, U.S. -
Roosevelt campaigned vigorously, and the McKinley–Roosevelt ticket won a landslide victory based on a platform of peace, prosperity, and conservation. Roosevelt took office as vice president in 1901 and assumed the presidency at age 42 after McKinley was assassinated the following September. -
Congress passed the bill by an overwhelming margin, and President Roosevelt signed it into law on February 19, 1903. The Elkins Act specifically prohibited rebates and made the railroad corporation providing the rebate, as well as the shipper receiving it, liable under the law. -
On March 14, 1903, President Theodore Roosevelt established Pelican Island National Wildlife Refuge, along Florida's Atlantic coast, as the first unit of what would become the National Wildlife Refuge System. -
Roosevelt took office as vice president in 1901 and assumed the presidency at age 42 after McKinley was assassinated the following September. He remains the youngest person to become President of the United States. ... Roosevelt was elected to a full term in 1904 and continued to promote progressive policies. -
Since 1879, nearly 100 bills had been introduced in Congress to regulate food and drugs; on 30 June 1906 President Roosevelt signed the Food and Drugs Act, known simply as the Wiley Act, a pillar of the Progressive era. The basis of the law rested on the regulation of product labeling rather than pre-market approval. -
Devils Tower was the first United States national monument, established on September 24, 1906, by President Theodore Roosevelt. The monument's boundary encloses an area of 1,347 acres (545 ha). -
On October 1 of the following year, Congress set aside over 1,500 square miles of land (about the size of Rhode Island) for what would become Yosemite National Park, America's third national park. In 1906, the state-controlled Yosemite Valley and Mariposa Grove came under federal jurisdiction with the rest of the park. -
On November 18, 1906, the U.S. attorney general under Roosevelt sued Standard Oil of New Jersey and its affiliated companies making up the trust. The suit was filed under the Sherman Antitrust Act of 1890. -
The Smithsonian–Roosevelt African Expedition was an expedition to Africa led by American president Theodore Roosevelt and outfitted by the Smithsonian Institution. The expedition collected around 11,400 animal specimens which took Smithsonian naturalists eight years to catalog. -
Democratic Governor Woodrow Wilson unseated incumbent Republican President William Howard Taft and defeated former President Theodore Roosevelt, who ran under the banner of the new Progressive or "Bull Moose" Party.