However , when the year was over , they decided to stay .
When there were epidemics of both cholera , yellow fever , and Smallpox in 1868 , the family decided to travel to Denmark for a year .
When the year was over , they decided to stay .
When there were epidemics of both cholera , yellow fever , and Smallpox in 1868 , the family decided to travel to Denmark for a year .