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...