Despite the treaty, the Delaware were forced to cede their Eastern lands and moved first to Ohio and later to Indiana (Plainfield), Missouri, Kansas, and Indian Territory.

Other Delaware bands moved north with the Iroquois after the American Revolutionary War to form two reserves in Ontario, Canada.

[4] Traditionally the Delaware were divided into the Munsee, Unami, and Unalachtigo, three social divisions determined by language and location.

The Delaware Tribe of Indians regained their federal recognition by the Secretary of the Interior in 1991, when the BIA rescinded its 1979 decision.

The Cherokee Nation's position was upheld in court, leading to the Delaware Tribe's loss of federal recognition in 2004.

Delaware voters approved the agreement and voted to reorganize in May 2009, under the authority of the Oklahoma Indian Welfare Act.

On July 28, 2009, The United States Department of the Interior notified the tribal office in Bartlesville that the Delaware are again officially recognized by the U.S.