Two Day Event 2018 – 28th and 29th April. Last Weekend of the Month. Posted on October 26, 2017October 28, 2018 by Lucy The Two Day Event survey this year will be on the last weekend of the month, 28th and 29th April 2018. (The previous weekend was published in the 2 day event summary in September, now amended. That date clashed with another event).