King George's War (1744-1748)
Erected as a palisaded garrison house and garrisoned by Massachusetts Colonial Militia during King George's War (1744-1748). The Fort was built near the town meeting house on Chandler Hill. The Colonial Militia was withdrawn at the end of the war.
French & Indian War (1754-1763)
Regarrisoned by Massachusetts Colonial Militia during the French & Indian War from 1754 to about 1763.