Mr Patch was a plumber by trade before being called up and fighting in the Battle of Passchendaele.

BBC: NEWS | UK | England | Somerset | Poem honours WWI veteran aged 109

In 1917, after five months, the third battle of Ypres finally ended when the Canadians and Australians took Passchendaele.

CNN: Thursday,

Relatively primitive trench warfare on the Confederacy's northern front in Virginia presaged the slaughter of trench warfare on the Somme and at Passchendaele.

ECONOMIST: Military history