22/6/1889 to 17/8/1943 = 19778 Days

11/9/1929 to 19/7/1978 = 17843 Days

19/7/1978 to 20/4/1982 = 3 Years 9 Months 1 Days

29/7/1980 to 30/4/1984 = 3 Years 9 Months 1 Days

19/7/1978 to 11/9/2032 = 19778 Days

19+29 = 48

25/2/1953 to 11/9/2001 = 48 Years 6 Months 17 Days

19+29= OBAMA

4/8/1961