http://www.google.com.au/logos/cousteau10-hp.gif

This very cool, colorful doodle triggers

http://www.google.com.au/search?q=Jacques+Cousteau&ct=cousteau10-hp&oi=ddle

According to Wikipedia, Jacques Cousteau was born June 11, 1910. Today, June 11, 2010, is his 100th birthday, but the doodle is gone. Was it there for a partial day? Was it there on the wrong day?

No it was correct but replaced by the World Cup doodle.