LAMMA show cancelled due to 'ongoing uncertainties' 3 February 2021 | LAMMA has cancelled the 2021 show as a result of the ongoing Covid-19 situation Organisers of the LAMMA show have cancelled this year's event due to 'ongoing uncertainties' surrounding the pandemic. The 2021 agricultural machinery show, due to take place 25-26 May at the NEC in Birmingham, has been called off. The event's organisers said the safety of visitors and exhibitors was their top priority. The LAMMA show is seen as a key part of the British farming industry's annual event calendar. It has a reputation as a launch pad for a host of machinery from the UK and across the globe.