Q: Context: The Mayflower was an English ship that famously transported the first English Puritans, known today as the Pilgrims, from Plymouth, England to the New World in 1620. There were 102 passengers, and the crew is estimated to have been about 30, but the exact number is unknown. This voyage has become a cultural icon in the history of the United States, with its story of death and survival in the harsh New England winter environment. The culmination of the voyage was the signing of the Mayflower Compact, an event which established a rudimentary form of democracy, with each member contributing to the welfare of the community. There was a second ship named Mayflower that made the London to Plymouth, Massachusetts voyage several times.

Question: when did the mayflower come over to america?
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To answer this question, we should know that: The Mayflower was an English ship that famously transported the first English Puritans, known today as the Pilgrims, from Plymouth, England to the New World in 1620. So the answer is 1620.