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Born in New York City. -
Becomes the 26th President of the United States after President William McKinley died from an assassin’s bullet. -
This act was aimed at ending railroad rebates and strengthening federal regulation of railroads. -
Roosevelt establishes the first federal bird reservation, laying the foundation for the National Wildlife Refuge System. -
Yosemite Valley and Mariposa Grove, previously state-controlled, were transferred to federal control to create Yosemite National Park. -
Elected in his own right after finishing McKinley’s term, defeated Alton B. Parker. -
Technically began in 1902, but Roosevelt’s mediation, which included threatening federal intervention, marked a turning point in May 1906 for how the federal government dealt with labor disputes. -
Signed into law the same day as the Meat Inspection Act, both were major wins for consumer protection and public health. -
Roosevelt used the Antiquities Act of 1906 to protect this geological formation, establishing a precedent for national monuments. -
Goes to the Smithsonian Roosevelt African Expedition, a year-long hunting and scientific journey. -
After splitting from the Republican Party, Roosevelt ran as a Progressive (Bull Moose Party) candidate and lost to Woodrow Wilson.