The youngest CEO on the Fortune 500 list can celebrate, as Facebook Co-Founder Mark Zuckerberg turns 29 Tuesday. It has been quite a year for Zuckerberg, who was born May 14, 1984.

Since Zuck last blew out his birthday candles, here are a few major events that have happened:

Readers: What would you get for Zuckerberg on his 29th birthday?