• {{Histinfo}} will suffice.
  • {{Histinfo|date=February 2020}} using current month and year. N.B. Adding a date does not affect how the article is categorised. (There are no date-specific categories for articles lacking historical information yet.)
  • {{Histinfo|Specifics|date=February 2020}} where Specifics is a brief sentence describing missing historical information. For example:
    {{Histinfo|When and where was this invented? Who contributed to its development? How did it change over time?|date=February 2020}}

For articles with multiple issues, the {{multiple issues}} template takes a histinfo parameter.

See also

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