- Born: October 27, 1858 in New York City, New York
- Parents: Theodore Roosevelt Sr. (businessman/philanthropist) and Martha Stewart “Mittie” Bulloch Roosevelt
- Spouse: Alice Hathaway Lee Roosevelt (1880-1884, died in childbirth), Edith Kermit Carow Roosevelt (married 1886)
- Children: Alice Lee Roosevelt (1884-1980, with Alice), Theodore “Ted” Roosevelt Jr. (1887-1944), Kermit Roosevelt (1889-1943), Ethel Carow Roosevelt (1891-1977), Archibald “Archie” Bulloch Roosevelt (1894-1979), Quentin Roosevelt (1897-1918) [last five with Edith]
- Died: January 6, 1919 (age 60, coronary embolism)
- Highest Office: 26th President of the United States of America (USA) (1901-1909)
- Other Notable Positions: Vice President (1901), Governor of New York (1899-1900), Assistant Secretary of the Navy (1897-1898), New York City Police Commissioner (1895-1897)
- Party Affiliation: Republican Party (later Progressive “Bull Moose” Party 1912-1916)
- Historical Note: Youngest person to become president at age 42 after William McKinley’s assassination. “Trust Buster” who broke up corporate monopolies and championed conservation, establishing national parks and forests. Won Nobel Peace Prize for mediating Russo-Japanese War. Led “Rough Riders” in Spanish-American War. After presidency, explored Amazon River and ran unsuccessfully for president in 1912 on Progressive ticket, splitting Republican vote.