Chicago Federation of Labor
...that during the Chicago Federation of Labor's 1903 convention, seven major brawls broke out, hospitalizing one man?
...that during the  <b id="mwFMo"><a href="./Chicago_Federation_of_Labor" id="mwFMs" rel="mw:WikiLink" title="Chicago Federation of Labor">Chicago Federation of Labor</a></b><span id="mwFMw" typeof="mw:Nowiki">'</span>s 1903 convention, seven major brawls broke out, hospitalizing one man?