Now, 100 years on, Headlong Theatre is commemorating the epic 141 day battle with a major production Observe the Sons of Ulster Marching Towards the Somme. Written by Frank McGuinness and published in 1986, the play follows eight men whose lives are changed forever, exploring some of wars most haunting themes, including mortality, love and loss. From the producer of 2014 sell-out production, 1984, the play promises to be an exceptional theatrical event, and is directed by Jeremy Herrin. Suitable for those over 12 only, the show is expected to run for 2 hours and 30 minutes and will be on until October 8. Tickets start from £18, and are available on 01223 503333 or at cambridgeartstheatre.com.