Ford World Headquarters
... that on the evening of September 15, 2008, the pattern of lights in the windows of the Ford World Headquarters spelled out "Happy 100 GM", in honor of Ford's chief rival?
<!--special occasion hook for September 15 in US-->... that on the evening of September<span about="#mwt39" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nbsp","href":"./Template:Nbsp"},"params":{},"i":0}}]}' id="mwBTY" typeof="mw:Transclusion"><span typeof="mw:Entity"> </span></span>15, 2008, the pattern of lights in the windows of the <b id="mwBTc"><a href="./Ford_World_Headquarters" id="mwBTg" rel="mw:WikiLink" title="Ford World Headquarters">Ford World Headquarters</a></b> <i id="mwBTk">(building pictured)</i> spelled out "Happy<span about="#mwt40" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nbsp","href":"./Template:Nbsp"},"params":{},"i":0}}]}' id="mwBTo" typeof="mw:Transclusion"><span typeof="mw:Entity"> </span></span>100<span about="#mwt41" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nbsp","href":"./Template:Nbsp"},"params":{},"i":0}}]}' id="mwBTs" typeof="mw:Transclusion"><span typeof="mw:Entity"> </span></span><a href="./General_Motors" id="mwBTw" rel="mw:WikiLink" title="General Motors">GM</a>", in honor of Ford's chief rival?