Middlesex Hospital was created in 1745.
North Middlesex Hospital was created in 1910.
West Middlesex University Hospital was created in 1894.
Middlesex Hospital ended in 2005.
Middlesex Regiment was created in 1881.
Middlesex Guildhall was created in 1913.
Middlesex University was created in 1973.
Flag of Middlesex was created in 1909.
Middlesex University - Massachusetts - was created in 1914.
Middlesex High School was created in 1959.
Middlesex Centre was created on 1998-01-01.
Middlesex Fells Reservation was created in 1891.
Middlesex Valley Railroad was created in 1892.