Mother Brook is created.

It is built by the Town of Dedham to divert water from the Charles River in order to increase the flow and power water wheels on the Neponset River. It is the first industrial canal in the British Colonies (Native Americans had built canals for irrigation and the Pilgrims built a navigation canal through marshes in Duxbury), it is built by the Town of Dedham to divert water from the Charles River in order to increase the flow and power water wheels on the Neponset River. The first mill, built to grind corn, opens in 1641.