Ka cika wannan jumlar: Shugabancin Theodore Roosevelt ya soma ne a ranar 14 ga Satumba, 1901, sa'ad da Theodore Roosevelt ya zama shugaban Amirka na 26 a ranar
kisan gillar Shugaba William McKinley, kuma ya ƙare a ranar 4 ga Maris, 1909. Roosevelt ya kasance mataimakin shugaban kasa na kwanaki kawai lokacin da ya yi nasara a shugabancin. Wani dan Republican, ya gudu kuma ya lashe nasara a cikin shekaru hudu a matsayin shugaban kasa a 1904. Ya sami nasara ta hanyar kare shi da kuma zaɓaɓɓen magaji, William Howard Taft.