It comprises the width of the Oblong Tract, and the east tier of lots in the Great Nine Partners Patent.

Inhabitants prior to European incursion were Pequot, in a village on the west side of a pond they called Wequagnoch.

Along with related Native Americans from Connecticut, they held Pow Wows on land both before and after the incorporation of the town.

As this land was already included in the previous Great Nine Partners Patent, Sackett's title was invalid.

[6] In 1724 Captain Garret Winegar (Winnegar) came to Amenia Union from East Camp in Columbia County, New York.

The Winegars were among the Palatine families from the Middle Rhine that had settled in the Province of New York in 1710 under the sponsorship of Queen Anne.

[5] A second Palatine family, that of Johannes Rouh (Rowe), came to Hitchcock's Corner (Amenia Union) sometime prior to 1731.

Dr. Thomas Young lived at the "Corner" for several years and married a daughter of Captain Winegar.

[7] The town was named by Young,[8] derived from Latin and meaning "pleasant to the eye".

In the summer of 1778, a large number of prisoners - mostly Hessians, taken at the battle of Saratoga the year before - were marched through the town on their way to Fishkill Landing, where they crossed the Hudson.

It is said that some of the Hessian soldiers solicited the people to aid them in escaping; a few succeeded, and remained in this country.

Jacob Bockee, a captain in the company in Col. Willet's Regiment, was a member of the Assembly in 1795 and 1797, where he introduced a bill for the abolition of slavery in the state.

In 2007, repaving continued north from the town line into Amenia, New York with two other contractors - Peckham Road Corp. for paving in Wassaic and A. Colarusso & Son Inc., a Hudson, New York based contractor for the portion north of Wassaic.

Buildings in Amenia listed on the National Register of Historic Places include: