A meeting house is built between the Market Square and Charlestown Neck where the peninsula joins the mainland.

The First Congregational Society of Charlestown is founded with Rev. Thomas James as Pastor.  Upon the arrival of Rev. Zechariah Symmes from England, he is ordained Teacher of the congregation, giving it both a pastor and teacher in accordance with scripture (Ephesians 4:11.)

The Train Band (militia) is organized by Capt. Robert Sedgwick  for protection from the Indians. The Training Field is set aside for the drilling of the militia.

The first ship built in the Bay Colony, “The Blessing of the Bay,” is launched on the Mystic River.