Sept. 16, 1620, using the Gregorian Calendar, 102 Pilgrims set sail on the Mayflower. The two-month journey was beset with storms. At one point the beam under the main mast cracked, being propped back in place using the screw of a printer's press. One youth was rescued after being swept overboard by a freezing wave. A boy died, and a mother gave birth. Intending to land in Virginia, they were blown off-course. In that first bitter winter half died. Gov. Bradford wrote: "Last and not least, they cherished a[n] ... inward zeal ... for the ... advance of the gospel of the kingdom of Christ in the remote parts of the world."