Everything from Dilbert to Pac-Man has shown up in Google's legendary doodles. Here are a few of the most notable throughout the years.
H. G. Wells - September 5 to 21, 2009
These mysterious Google doodles appeared and disappeared over the month of September, with no explanation. Turns out they were doodles in honour of what would have been H.G. Wells's 143rd birthday.
Pi Day - March 14, 2010
March 14 is known as Pi Day because it contains the first three numbers of pi: 3/14. (Creative, I know.) This doodle is obviously a tribute to the number pi.
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