If you visit Google.com today, you will see a special logo for Veterans Day. The logo is less complex when compared to last years, where Google had to fix their Veterans Day logo. Last year, Google placed hats on top of each letter on the Google logo, the hats included Army, Navy, Air Force, and Marines. But they forgot one, the U.S. Coast Guard, which they added later.
Google also has a logo on Google.co.uk for Remembrance Day:
Bing has a Veterans Day Theme:
Yahoo typically skips adding a special logo for today, which is what they have done today. But you can see more logos, from Ask.com, AOL and others at the Search Engine Roundtable.