With so many horses were enlisted in ww1, Lizzie the elephant was used to cart munitions in Sheffield
As World War One raged, the military purchased most of England's horses and sent them to the Western Front. Many farmers and traders had to find alternative beasts of burden, but none more exotic than elephants. Elephants from Sangar's Circus were used to plough fields in Surrey (pictured).
Elephants, with their massive stature and fearsome tusks have been employed in warfare since ancient... - US Army Archives
German soldiers using an elephant to haul timber, c. 1915.