Bar Association of Metropolitan St. Louis was created in 1874.
New York Metropolitan Squash Racquets Association was created in 1924.
Metropolitan Association for Improving the Dwellings of the Industrious Classes was created in 1841.
American Association for Respiratory Care was created on 1947-03-16.
Chicago Opera Association was created in 1915.
Chicago Bar Association was created in 1874.
Employers' Association of Greater Chicago was created in 1903.
Chicago Athletic Association Football team was created in 1892.
Chicago Tigers was created in 1920.
Metropolitan Stadium was created in 1956.
Metropolitan League was created in 1949.
Metropolitan line was created in 1863.