What was the longest battle of World War I?
The Battle of Verdun
The Battle of Verdun
The Battle of Verdun
Battle of Verdun
Battle of Verdun
The Battle of Verdun
Battle of Passchendaele
Battle of Verdun
The Battle of the Somme
Battle of Verdun
The Battle of Verdun
Battle of Passchendaele
The Battle of the Somme
Battle of the Somme
Battle of Verdun
Battle of Passchendaele
The Battle of Verdun
The Battle of Cambrai
Battle of the Somme
Battle of Verdun
The Battle of the Somme
The Battle of Messines
The Battle of Mons
Battle of Passchendaele
Passchendaele
The Battle of Verdun
Battle of the Somme
Battle of Verdun
The Battle of the Marne
The Battle of Verdun.
The Battle of the Somme
Battle of Waterloo
Passchendaele
The Battle of Messines
Battle of Passchendaele
Battle of the Somme
Battle of Verdun
The Battle of Verdun
The Battle of Mons
The First Battle of Ypres
The Battle of the Marne
Passchendaele
The Battle of the Somme
Battle of the Somme
Battle of Waterloo
The Battle of the Somme.
The Battle of Verdun.
Battle of Passchendaele
Battle of Verdun
Battle of Cambrai
The Third Battle of Ypres
The First Battle of Ypres
German Spring Offensive
The Battle of Verdun
Passchendaele
The Battle of the Somme
Battle of the Somme
Battle of Verdun
Battle of Messines
Battle of Cambrai
The First Battle of Bullecourt
Anglo-Zanzibar
Battle of Passchendaele
Battle of Waterloo
German Spring Offensive
The Third Battle of Ypres
The Battle of the Somme.
Passchendaele
The Battle of Verdun.
Battle of the Somme
The Battle of Verdun
The Battle of the Somme
Battle of Messines
Battle of Verdun
Battle of Mons
Passchendaele Campaign
Anglo-Zanzibar
Battle of Passchendaele
Battle of Cambrai
German Spring Offensive
Passchendaele
The First Battle of Ypres
The Siege of Verdun
The Battle of the Frontiers
The Battle of Messines
Battle of the Somme
The First Battle of Bullecourt
Battle of Waterloo
Battle of Verdun
The Battle of the Somme.
Schlieffen Plan
Passchendaele Campaign
The Battle of the Somme
The Battle of Verdun.
The Battle of Verdun
Battle of Verdun.
Battle of Mons
German Spring Offensive
Anglo-Zanzibar
Battle of Passchendaele
Passchendaele
Passchendaele Ridge
Battle of the Somme
The Siege of Verdun
Battle of Cambrai
Iwo Jima
Schlieffen Plan
Battle of Verdun
Passchendaele Campaign
The Third Battle of Ypres
The First Battle of Bullecourt
The Battle of the Somme
Waterloo
Battle of Verdun.
The Battle of Verdun
The First Battle of Ypres
The Battle of the Marne
The Battle of the Somme.
Passchendaele
Gallipoli Campaign
Battle of Passchendaele
Meuse-Argonne
Battle of the Somme
The Battle of Verdun.
Battle of Mons
Schlieffen Plan
The Somme Offensive
Battle of Verdun
Passchendaele Campaign
Iwo Jima
Waterloo Campaign
Battle of Verdun.
The Battle of Verdun
The Battle of the Somme
Waterloo
Battle of Cambrai
Passchendaele Ridge
Battle of the Somme
The Siege of Verdun
Isonzo
Schlieffen Plan
Battle of Verdun
Battle of Waterloo
The Battle of the Somme.
Battle of Waterloo.
Battle of Messines
Aubers Ridge
Passchendaele Campaign
Passchendaele
The Third Battle of Ypres
Battle of Mons
The Somme Offensive
The Battle of Verdun.
The First Battle of Ypres
Battle of Verdun.
The Battle of Verdun
Waterloo Campaign
The Battle of the Somme
Iwo Jima
Passchendaele Ridge
Battle of the Somme
Gettysburg Battle of France
German Spring Offensive 1915
Battle of Verdun
Waterloo
Isonzo
Aubers Ridge
Passchendaele Campaign
Passchendaele
Passchendaele Battlefield
The Battle of the Somme.
Gettysburg
Battle of Verdun.
The Battle of Verdun
Siegfried Line
German Spring Offensive of 1918
The Third Battle of Ypres
German Spring Offensive 1918
Battle of the Somme
Waterloo Campaign
Gettysburg Battle of France
Battle of Waterloo.
The First Battle of the Scarpe
Battle of Verdun
German Spring Offensive 1915
The Siege of Sedan
Aubers Ridge
The Battle of Verdun.
German Spring Offensive of 1914
The Battle of the Somme
Passchendaele Battle
Passchendaele
Passchendaele Campaign
Battle of Mons
Aubers Ridge Battle of France
Gettysburg
The Siege of Metz
Waterloo
Isonzo
Battle of Verdun.
The First Battle of the Odon