On what date did the Mayflower leave England?!? i'm desperate. I cant find the answer!!!!!!!!?

Just type "Mayflower set sail" into google and you get:





http://en.wikipedia.org/wiki/Mayflower

On what date did the Mayflower leave England?!? i'm desperate. I cant find the answer!!!!!!!!?
The Mayflower





http://pilgrims.net/plymouth/history/may...





Mayflower Passenger List





http://pilgrims.net/plymouth/history/pas...





The Pilgrims: Voyage to Freedom





http://www.socialstudiesforkids.com/arti...





http://www.pilgrimhall.org/voymayfl.htm





http://uk.geocities.com/haywardlass/





http://edtech.kennesaw.edu/web/coloniz.h...





http://www.oswego.org/staff/cchamber/res...