Houston Hall
...that Houston Hall at the University of Pennsylvania was America's first student union?
...that <b id="mwlA"><a href="./Houston_Hall_(University_of_Pennsylvania)" id="mwlQ" rel="mw:WikiLink" title="Houston Hall (University of Pennsylvania)">Houston Hall</a></b> at the <a href="./University_of_Pennsylvania" id="mwlg" rel="mw:WikiLink" title="University of Pennsylvania">University of Pennsylvania</a> was America's first student union?