1988-89 season
...that in the Calgary Flames' 1988-89 season, they became the only visiting team to defeat the Montreal Canadiens to win the Stanley Cup in the Montreal Forum?
...that in the <a href="./Calgary_Flames" id="mwBZA" rel="mw:WikiLink" title="Calgary Flames">Calgary Flames</a>' <b id="mwBZE"><a class="mw-redirect" href="./1988-89_Calgary_Flames_season" id="mwBZI" rel="mw:WikiLink" title="1988-89 Calgary Flames season">1988-89 season</a></b>, they became the only visiting team to defeat the <a href="./Montreal_Canadiens" id="mwBZM" rel="mw:WikiLink" title="Montreal Canadiens">Montreal Canadiens</a> to win the <a href="./Stanley_Cup" id="mwBZQ" rel="mw:WikiLink" title="Stanley Cup">Stanley Cup</a> in the <a href="./Montreal_Forum" id="mwBZU" rel="mw:WikiLink" title="Montreal Forum">Montreal Forum</a>?