Map from“A History of River Rouge, Michigan” by Frances E. Manor

“On January 1, 1922, a portion of Hamtramck Township was incorporated as the City of Hamtramck.

On April 3, 1922, a portion of Ecourse Township was incorporated as the City of RIver Rouge.

On May 3, 1922, a portion of Ecourse Township was annexed to the City of Detroit.

On November 10, 1922, a portion of Greenfield Township was annexed to the City of Detroit.

On November 21, 1922, a portion of Greenfield Township was annexed to the City of Detroit.”