2012-7-4
"Happy 4th of July!"
http://www.google.com/search?q=4th+of+July&oi=ddle&ct=4th_july-12-hp

http://www.google.com/logos/2012/4th_july-12-hp.png

"Celebrate freedom. Support a free and open internet"
http://www.google.com/takeaction/?utm_source=google&utm_medium=hpp&utm_campaign=07042012takeactionhpp

http://www.google.com/takeaction/images/flagposter-thumb.jpg

Ask.com today:

http://sp.ask.com/sh/i/a16/themes/july4th2012.jpg

Bing.com theme is US-only

http://images.seroundtable.com/bing-july42012-1341402894.jpg

Dogpile.com today:

http://imagecdn.infospace.com/search/images/201207/arfie_4thJuly.gif

Bing image (not visible in Europe) via Search Engine Roundtable Blog:
http://www.seroundtable.com/4th-of-july-15386.html

More from Dogpiele

http://imagecdn.infospace.com/search/images/201207/Main_logo_new.gif

Yahoo's Flash-based theme copied to

http://www.seroundtable.com/4th-of-july-15386.html