#JeSuisCharlie
... that #JeSuisCharlie has become one of the most popular hashtags in Twitter's history?
... that <i id="mwA20"><b id="mwA24"><a href="./Je_suis_Charlie" id="mwA28" rel="mw:WikiLink" title="Je suis Charlie">#JeSuisCharlie</a></b></i> <i id="mwA3A">(sign pictured)</i> has become one of the most popular <a href="./Hashtag" id="mwA3E" rel="mw:WikiLink" title="Hashtag">hashtags</a> in <a href="./Twitter" id="mwA3I" rel="mw:WikiLink" title="Twitter">Twitter</a>'s history?