Historical marker for the founding convention of the Federation of Organized Trades and Labor Unions of the United States and Canada (FOTLU), which changed its name to American Federation of Labor in 1886.  Additional information <a rel="nofollow" class="external text" href="http://explorepahistory.com/hmarker.php?markerId=1-A-23F">online</a>.
<a href="//commons.wikimedia.org/wiki/User:Jdsteakley" title="User:Jdsteakley">James Steakley</a> courtesy of Lisa Heineman
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>