Google Celebrates 28 Years with Interactive Birthday Doodle

Google is celebrating its 28th birthday with a special Google Doodle that takes users back in time to an early version of the company's logo.

The Doodle, which appears on the Google homepage today, allows users to take a fun trivia quiz about Google's company lore and historical quirks.

Google officially celebrates its birthday on September 27, although its corporate incorporation date is actually September 4, 1998. The company has been observing September 27 since 2006 as a way to commemorate a historic page indexing milestone.