About Official State House Salute to the 400th Anniversary...This State House Ceremony will honor the Pilgrim forefathers and Native people who are immortalized in the historic founding of Plymouth Colony. The General Society of Mayflower Descendants, Pilgrim families, and Wampanoag families will be in attendance. Additional, invited participants include the Governor and State Legislators, Federal Legislators, Representatives of The UK, The Netherlands, The Ancient and Honorables, and more.