Every year, the search engines post special logos for Martin Luther King, Jr. This year is no different, we have logos from Google, Yahoo, Bing, Ask.com, Dogpile and others. MLK, Martin Luther Kind, Jr needs no explanation. It is a legal US holiday today and a day celebrated by many around the world. Here are the logos:

Google’s MLK Logo:

Yahoo’s Flash MLK logo:

Bing’s MLK Theme:

Ask.com’s MLK Theme:

DogPile:

Search Engine Roundtable:

Also see the 2009 MLK logos and 2008 MLK logos for a bit of the history with these logos and doodles.

Forum discussion at Google Web Search Help.