Presidents 2nd grade By mpatty Period: Jan 1, 1900 to Jan 1, 2000 Years Jan 1, 1901 Theodore Roosevelt Youngest President at 42 years old Jan 1, 1933 Frankling Roosevelt signed the Social Security Act Jan 1, 1953 Dwight D Eisenhower singed the Civil Rights Legislation Jan 1, 1974 Gerald Ford President over the wors economy since the depression.