The Lowland Division was a pre-war Territorial division which, in May 1915, was numbered 52nd with brigades 155th, 156th and 157th. In the same month the division embarked for service in Gallipoli, a move that was marked by what is still the greatest rail disaster in Britain's history. The troop train carrying the HQ and two companies of 1/7th R Scots collided with a stationary train near Gretna, a few seconds later the London express ran full speed into the wreckage of the troop train resulting in the deaths of three officers and 207 other ranks with another five officers and 219 other ranks...