User talk:Mavisp
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Thanks for your message, and a belated welcome to Wikipedia. My edit was a long time ago, and I can't remember where I got the 1990 date from - it may have been from Marsh and Ryan's Historical Directory of Trade Unions, which notes that the two agreed to merge during that year. However, Gennard and Bain's History of the Society of Graphical and Allied Trades informs us that the two actually finally merged on 30 September 1991, when the GPMU was formed. The 1992 date is not supported by anything which I can find. Warofdreams talk 22:08, 21 August 2011 (UTC)