performances of William Shakespeare's plays
...that by 1608, performances of William Shakespeare's plays had become popular enough that his playing company was able to act indoors, in the Blackfriars Theatre?
...that by 1608, <b id="mwDRo"><a class="mw-redirect" href="./Shakespearean_performances" id="mwDRs" rel="mw:WikiLink" title="Shakespearean performances">performances of William Shakespeare's plays</a></b> had become popular enough that his playing company was able to act indoors, in the <a href="./Blackfriars_Theatre" id="mwDRw" rel="mw:WikiLink" title="Blackfriars Theatre">Blackfriars Theatre</a>?