HMS Edgar
... that the Royal Navy ship of the line HMS Edgar was forced to fight unsupported for a time during the Battle of Copenhagen after the next ship in line, HMS Agamemnon, ran aground?
... that the <a href="./Royal_Navy" id="mwGnM" rel="mw:WikiLink" title="Royal Navy">Royal Navy</a> <a href="./Ship_of_the_line" id="mwGnQ" rel="mw:WikiLink" title="Ship of the line">ship of the line</a> <b id="mwGnU"><a about="#mwt31" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Edgar"},"2":{"wt":"1779"},"3":{"wt":"6"}},"i":0}}]}' href="./HMS_Edgar_(1779)" id="mwGnY" rel="mw:WikiLink" title="HMS Edgar (1779)" typeof="mw:Transclusion">HMS<span typeof="mw:Entity"> </span><i>Edgar</i></a></b> was forced to fight unsupported for a time during the <a href="./Battle_of_Copenhagen_(1801)" id="mwGnc" rel="mw:WikiLink" title="Battle of Copenhagen (1801)">Battle of Copenhagen</a> after the next ship in line, <a about="#mwt32" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Agamemnon"},"2":{"wt":"1781"},"3":{"wt":"6"}},"i":0}}]}' href="./HMS_Agamemnon_(1781)" id="mwGng" rel="mw:WikiLink" title="HMS Agamemnon (1781)" typeof="mw:Transclusion">HMS<span typeof="mw:Entity"> </span><i>Agamemnon</i></a>, ran aground?