Six or seven thousand years ago, the first people to settle in the area were the Minsi group of the Lenni Lenape ("Original People") Indians.

The adult school of the chathams-6

There are excellent shopping facilities available nearby in Livingston, Short Hills, Summit, Madison, Morristown and, locally, at Hickory Tree in the Township and in the center of Chatham Borough.

Cultural opportunities include historical, art, garden and musical groups, as well as the facilities and programs of neighboring Drew and Fairleigh Dickinson universities.

Chatham's neighboring communities are Summit, New Providence, Berkeley Heights, Long Hill, Harding, Madison, Florham Park, and Livingston.

Chatham Borough and Chatham Township share a common heritage and together are often referred to by their shared name, Chatham.

This proposal was supported by the voters and since then, the two municipalities have shared a regionalized school district. Milton Avenue School was one of 11 in the state to be recognized in 2014 by the United States Department of Education's National Blue Ribbon Schools Program.

The district's high school was the 1st-ranked public high school in New Jersey out of 339 schools statewide in New Jersey Monthly magazine's September 2014 cover story on the state's "Top Public High Schools", using a new ranking methodology.The only visible sign of what would become Chatham was a long island formed by the top of the hill at Fairmount Avenue.Lake Passaic drained into the sea when an ice cap melted.After the revolutionary war, in 1801, the Morris Turnpike was built connecting Elizabeth to Morristown through Springfield and Chatham.The Morris and Essex Railroad came to Chatham in 1837.The Passaic River slowly made its winding path through the marshlands.