12 Oct 1888 - Birth at Nebraska, USA 

02 Mar 1893 - (4 years) Birth of his wife Adaline Dutton at Nebraska, USA 

08 May 1913 - (24 years) Birth of his son Francis Ackerman at Nebraska, USA 

02 Apr 1917 - (28 years) Birth of his daughter Okerreta Ackerman at Nebraska, USA 

Nov 1965 - (77 years) Death of his wife Adaline Dutton

Dec 1970 - (82 years) Death at Scottsbluff, Scotts Bluff County, Nebraska, USA 

Dec 1983 - Death of his daughter Okerreta Ackerman at Sidney, Cheyenne County, Nebraska, USA 

22 Oct 1990 - Death of his son Francis Ackerman at Scottsbluff, Scotts Bluff County, Nebraska, USA