From English Wikipedia @ Freddythechick
Usage This template returns the number of full years between two specified year ranges.
Example <syntaxhighlight lang="wikitext">69–90</syntaxhighlight>
69–90
<syntaxhighlight lang="wikitext">69–80</syntaxhighlight>
69–80
TemplateData Template parameters
Parameter Description Type Status Year1 ("from" date) from1The first year of the "from" date
Number optional Year2 ("from" date) from2The second year of the "from" date
Number optional Year ("from" date) fromIf there is only one "from" year then use the from parameter instead of from1 and from2
Number optional Year1 ("to" date) to1The first year of the "to" date
Number optional Year2 ("to" date) to2The second year of the "to" date
Number optional Year ("to" date) toIf there is only one "to" year then use the to parameter instead of to1 and to2
Number optional
See also
Birth, death and age templates
birth, death, age
Combined BDA template Description / use {{ BirthDeathAge }} Combines functions of {{Birth date}}, {{birth-date}}, {{birth date and age}}, {{birth year and age}}, {{death date}}, {{death-date}}, {{death date and age}}, and {{death year and age}}.
Death templates Description / use {{ Death date }} To display a death date and related hidden metadata. {{ Death-date }} {{ Death date and age }} {{Death date}} with suffix '(aged N )'; also called with {{event date and age}} .{{ Death-date and age }} As {{Death date and age}} , but accepts dates in text form ('15 June 1950', 'June 15, 1950', 'June 1950', etc.). {{ Death date and given age }} To display a death date and specified age. {{ Death year and age }} To display a year of, and approximate age at death.
age only
Reverse-determined age template Description / use {{ Age }} Age based on number of complete years between two dates. {{ Age nts }} {{Age}} with output formatted for use in number sortable tables .{{ Age as of date }} Current age (in years) from a known age at a specified date. {{ Age for infant }} Current age for infant: months and days up to one year, years and months up to three years, and years beyond age 3.
