231st

231st may refer to:

* 231st Battalion (Seaforth Highlanders of Canada), CEF, a unit in the Canadian Expeditionary Force during the First World War
* 231st Combat Communications Squadron, a tenant unit of the 113th Wing based at Andrews Air Force Base, Maryland, USA
* 231st Infantry Brigade, the Allied codename for the centre invasion beach during the World War II Allied invasion of Normandy, 6 June 1944

## See also

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* 231 (number)
* 231st Street (IRT Broadway – Seventh Avenue Line), a local station on the IRT Broadway – Seventh Avenue Line of the New York City Subway
* 231, the year 231 (CCXXXI) of the Julian calendar

Topics referred to by the same term

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