Like the previous years, Google is without a special logo, even on Google Mexico, for Cinco de Mayo. The date, May 5th, is celebrated widely in the United States and regions within Mexico but Google is without a logo again.
If you go to Google.com you see the standard Google logo and if you go to Google Mexico, you see the standard Google Mexico logo.
But Yahoo, Bing, Ask and Dogpile all have logos, themes or special messages for the special day that celebrated Mexican heritage.
Yahoo's Animated Logo:
Google with nothing:
Like I said, many searchers are asking where the logo is.