Genius is an overused word. The world has known only about a half dozen geniuses. I got only fairly near.
We started at once to dig our trenches, half of my platoon stepping forward abreast, the men being placed an arm's length apart. After laying their rifles down, barrels pointing to the enemy, a line was drawn behind the row of rifles and parallel to it.
Suddenly, at about ten o'clock, a dull thud sounded somewhere far away from us, and simultaneously we saw a small white round cloud about half a mile ahead of us where the shrapnel had exploded. The battle had begun.