The 11 Year Relationship Of College Sweethearts, Mark Zuckerberg And Priscilla Chan

Two years ago, on May 19, 2012, Mark Zuckerberg tied the knot with his college sweetheart, Priscilla Chan.

The wedding was a surprise for all of the guests, who thought they were attending a medical school graduation party for Chan.

The couple met in line for the bathroom at a frat party 11 years ago. Now Chan has been dubbed the "first lady" of Facebook, and the pair have been extremely generous with their fortune.

Here's a summary of their time together, as told through their Facebook timelines.