Today is President's Day in the United States of America. It is the day we honor those individuals who have lead this country. But there is no honor being given out to these leaders by Google or Yahoo. But I think Microsoft Bing makes up for it with their outstanding HTML5 movie home page.
Here is a video of the HTML5 Bing home page:
Here is a static picture:
Ask.com has a nice theme as well:
Dogpile goes animated:
Forum discussion at Google Web Search Help.