February 13th marks the 140th birthday of Russian opera singer Feodor Chaliapin, and Google showed a doodle on its home page in Russia.
— Google Doodles (@GoogleDoodles) February 13, 2013
While it's still the 13th here in the states, it has already moved on into the 14th in Russia, where Google is now showing the George Ferris doodle discussed earlier. Presumably, we'll be getting that one here in the U.S. at midnight.
A Google search for Feodor Chaliapin returns the option to see results about the opera singer or his son Feodor Chaliapin Jr., an actor. If you select the singer, you'll see Google's Knowledge Panel for him.
Here's a sample of Chaliapin's work: