Which WWI battle was fought from July 1 to November 18, 1916 resulting in 1 million casualties?

I think the names of those two traitors should be given to all the families of the British and French soldiers killed or wounded . As they were probably “ Fenians” or similar , the current woke mindfulness must surely call for apologies and reparations from the Irish government

My grandad was an officer in the Battle of the Somme. Not surprisingly, the experience turned his hair completely white...