Trevisana nera
... that the Trevisana nera grape variety was first documented in viticulture in the middle of the 20th century?
... that the <b id="mwCPI"><a href="./Trevisana_nera" id="mwCPM" rel="mw:WikiLink" title="Trevisana nera">Trevisana nera</a></b> grape variety was first documented in <a href="./Viticulture" id="mwCPQ" rel="mw:WikiLink" title="Viticulture">viticulture</a> in the middle of the 20th century?