Property:Has first recorded
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Set by Template:Infobox Named variety on articles about a cannabis name. The earliest year in which a source cited on the article uses the name.
The first_recorded field takes a four-digit year followed by its citation. Only the year is stored. A value that does not start with a four-digit year (such as "the 1970s") is shown on the page but not stored. Its sibling for places is Property:Has first grown.