[[ImageFile:EditPreferencesDates-40.png|right|thumb|350px|Fig. {{#var:chapter}}.{{#vardefineecho:figure|{{#expr:{{#var:figure}}+1}}}} Dates Preferences]]

*{{man label|Date about range:}} Default: <code>50</code>*{{man label|Date after range:}} Default: <code>50</code>*{{man label|Date before range:}} Default: <code>50</code>*{{man label|Maximum age probably alive:}} Default: <code>110</code>*{{man label|Maximum sibling age difference:}} Default: <code>20</code>*{{man label|Minimum years between generations:}} Default: <code>13</code>*{{man label|Average years between generations:}} Default: <code>20</code>*{{man label|Markup for invalid date format:}} Default: <code><b>%s</b></code>