On 18/08/2013 20:30, Richard Smith wrote: > On 18/08/13 20:24, Graeme Wall wrote: > >> 1900s plural is the decade, just as 1920s plural is the decade. > > You may use that convention, but a lot of people do use 1900s to mean > the century, so the ambiguity is still there. > Not something I've noticed, usually if you are dealing in centuries you refer to the 19th or 20th or whatever. Just goes to show you have to be very careful in making sure your date references are unambiguous. -- Graeme Wall This account not read, substitute trains for rail. Railway Miscellany at <http://www.greywall.demon.co.uk/rail>