Passage: Chan married Zuckerberg on May 19, 2012, the day after Facebook's stock market launch.On July 31, 2015, Zuckerberg announced that he and Chan were expecting a baby girl. He said he felt confident that the risk of miscarrying was low so far into the pregnancy, after Chan had already had three miscarriages. Chan and Zuckerberg announced the birth of their daughter Maxima Chan Zuckerberg on December 1, 2015. On August 28, 2017, Chan gave birth to their second daughter, whom they named August.

Question: What was the wedding date of Zucherberg's marriage to Chan?
May 19, 2012