Thread on prorogation. Prorogation is a normal practice, it signifies the end of the parliamentary session, which normally lasts less than 200 sitting days. The 2010-12 session lasted 295 days and was unprecedented. researchbriefings.parliament.uk/ResearchBriefi… 1/ Prorogation is followed by a Queen's Speech, where the Queen reads a speech drafted by the Government, which sets out their priorities in the next parliamentary session. It is absolutely best practice for new governments to do this soon after taking office. 2/