Yes you do in the English language.
Midwestern
Midwestern College was created in 1965.
Midwestern University was created in 1900.
Kansas is a midwestern state of America.
Midwestern College ended in 1970.
Midwestern is the proper adjective for Midwest.
Midwestern College's motto is 'We kindle the light of knowledge'.
Midwestern Minutes was created on -20-04-03.
Midwestern Baptist College was created in 1953.
Midwestern Governors Association was created in 1962.
Painfully Midwestern Records was created in 2005.
Midwestern State University was created in 1922.