news ORDER YOUR UNISON 2019 DIARY NOW!! October 30, 2018 unisonuos1 If you would like a UNISON 2019 diary please emailĀ unison@sheffield.ac.uk. Diaries will be available for collection at the UNISON Christmas Social on Thursday 6 December between 12-2 pm. 2019 desk calendars are available for all members.