"Beaumont Hamel" . . "2nd Battle of Albert" . "opening day" . . "first day of the Somme campaign" . . . . "first day of the Somme offensive" . "1916-07-01" . "French: 1,590" . "Details" . . "First day on the Somme" . "Somme" . "On 1 July 1916" . . . "bloodiest day" . . . . . . "attack on 1 July" . "6 divisions" . . "Serre" . "costliest day" . "1st July 1916" . "first day of the Battle of the Somme" . "6 French divisions" . "First Day on the Somme" . "opening of the battle on 1 July 1916" . . . "day of the attack" . . "first day of the Somme" . . . "first day on the Somme" . "the first day" . . "first day of that battle" . . "day of the attack (1 July)" . "Somme Day" . "opening day of the battle" . "Z Day" . . "battle was launched" . . "13 British divisions" . "First day on the Somme \u2013 Serre" . . . . . . . . "*" . "assault on Gommecourt" . . . "Gommecourt Salient" . "initial assault on 1 July 1916" . "La Boiselle on 1 July 1916" . . . "1 July 1916, first day on the Somme" . "In the German ten-day casualty accounting period 1\u201310 July, there were 46,319 casualties and 7,539 men sick." . . "first day of the Battle" . "Beaumont-Hamel" . "First Day" . . "See theAftermathsection" . "first day of the battle" . "Aftermath" . . . "first day" . . . . "Batte of the Somme" . . . "beginning of the Somme offensive" . "Gommecourt salient" . "first day of the offensive" . . . "in a disastrous day" . "first day of fighting on the Somme" . "opening attack" . "Gommecourt" . "Thiepval" . . "1 July" . "Battle of the Somme" . . "Battle of Albert" . "attack on the Somme on 1 July 1916" . "British: 57,470 (19,240 killed)" . . "First day on the Somme" . . . . "assault on 1 July" . "United Kingdom" . . "Albert 1916" . . "Battle of Gommecourt" . "1 July 1916" .