Plymouth Colony most of them in two or three months' time". By November 1621, only 53 pilgrims were alive to celebrate the harvest feast which modern Americans know as "The First Thanksgiving". Thirteen of the 18 adult women died the first winter, while another died in May. Only four adult women were left alive for the Thanksgiving. Several of the graves on Cole's Hill were uncovered in 1855; their bodies were disinterred and moved to a site near Plymouth Rock. The autumn celebration in late 1621 that has become known as "The First Thanksgiving" was not known as such to the Pilgrims.
History of Massachusetts of the Indian population before the first large-scale arrival of settlers in the 1630s. Large numbers of natives were decimated by virgin soil epidemics such as smallpox, measles, influenza, and perhaps leptospirosis, against which they had no immunity. In 1617–1619, smallpox killed 90% of the Native Americans in the region. The first English settlers in Massachusetts, the Pilgrims, established their settlement at Plymouth in 1620, and developed friendly relations with the native Wampanoag. This was the second successful permanent English colony in North America, after the Jamestown Colony. Before heading to the New World, they migrated to Holland to escape