Template:Death date and age
From Kook Science
Template: {{death date and age|df=yes|YYYY|MM|DD|YYYY|MM|DD}} - where the first sequence YYYY|MM|DD is the death date, and the second sequence is the birth date. For example, {{death date and age|df=yes|1999|01|01|1901|12|23}} returns 1 January 1999 (97)