September 27th is Google’s “birthday”. In 1998, Google made its debut. Thirteen years later, they’re basically running Earth. Over the near decade and a half, Google’s displayed a bunch of interesting “Doodles”, simple, low-key alterations to their existing logo that subtly call-out an important date in an understated way. So, it makes sense they’d take a “low-key approach” towards their own anniversary. We decided to take much more extravagant approach. Check out our list of the most important Google Doodles and their backstories (of which there are many) below.