La Flora
... that Marco da Gagliano's opera La Flora was first performed on 14 October 1628 to celebrate the marriage of Margherita de' Medici and Odoardo Farnese, Duke of Parma?
... that <a href="./Marco_da_Gagliano" id="mwAyM" rel="mw:WikiLink" title="Marco da Gagliano">Marco da Gagliano</a>'s opera <i id="mwAyQ"><b id="mwAyU"><a href="./La_Flora" id="mwAyY" rel="mw:WikiLink" title="La Flora">La Flora</a></b></i> <i id="mwAyc">(libretto pictured)</i> was first performed on <span about="#mwt19" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"14 October"}},"i":0}}]}' id="mwAyg" typeof="mw:Transclusion">14 October</span> 1628 to celebrate the marriage of <a href="./Margherita_de'_Medici" id="mwAyk" rel="mw:WikiLink" title="Margherita de' Medici">Margherita de' Medici</a> and <a href="./Odoardo_Farnese,_Duke_of_Parma" id="mwAyo" rel="mw:WikiLink" title="Odoardo Farnese, Duke of Parma">Odoardo Farnese, Duke of Parma</a>?