1st Battle of Ypres
October - November 1914
Cold winter
1916 - 1917
20% of men with fractured femurs died
1918
Battle on Hill 60
April 1915
2nd Battle of Ypres
April - May 1915
Battle of the Somme
July - November 1916
Battle of Arras
April - May 1917
3rd Battle of Ypres
July - November 1917
Battle of Cambrai
November - December 1917
The allies built an underground network at Arras
1916
Lachrimatory/tear gas began to be used
1914
Chlorine gas began to be used
April 1915
Mustard gas began to be used
July 1917
Phosgene gas began to be used
December 1915
Metal “Brodie” helmets were issued
1915
The Carrel-Dakin method was developed
1915
Lewisohn found that adding sodium citrate to blood stopped it clotting
1915
Rous and Turner discovered that adding citrate glucose allowed blood to be stored for longer (on ice)
1916
Captain Roberston kept 22 units of blood in the first “blood depot”
1917
The Thomas Splint began to be widely used
December 1915
Static x-ray machines were used in base hospitals
1914