Hundred Days Offensive

Hundred Days Offensive
Part of the Western Front of World War I
Allied gains in late 1918
Date 8 August – 11 November 1918 Location Amiens, France to Mons, Belgium Result Allied victory End of World War I Collapse of the Western Front and the German Empire
Belligerents
France  British Empire  United Kingdom  Canada  Australia  Newfoundland  New Zealand  South Africa  United States Belgium  Italy[1][2]  Portugal Siam	German Empire  Austria-Hungary
Commanders and leaders
Ferdinand Foch[a] Philippe Pétain[b] Paul Maistre[c] Émile Fayolle[d] Noël Castelnau[e] Douglas Haig[f] Henry Wilson[g] John J. Pershing[h] King Albert I[i] Tamagnini de Abreu[j] Gomes da Costa[k]	Paul von Hindenburg[l] Erich Ludendorff[m] Wilhelm Groener[n] Max von Gallwitz[o] Rupprecht of Bavaria[p] Wilhelm of Prussia[q] Max von Boehn[r] Albrecht of Württemberg[s]
Strength
Strength on 11 November 1918:[3] c. 2,559,000 c. 1,900,000 c. 1,900,000[t] c. 190,000	Strength on 11 November 1918:[3] c. 3,562,000
Casualties and losses
18 July – 11 November: 1,070,000[4] 531,000 412,000 127,000	18 July – 11 November: 1,172,075[4] ~100,000+ killed 685,733 wounded 386,342 captured 6,700 artillery pieces Breakdown Men and material captured, by country BEF: 188,700 prisoners, 2,840 guns[5] French: 139,000 prisoners, 1,880 guns[6] US: 44,142 prisoners, 1,481 guns[6] Belgian: 14,500 prisoners, 414 guns[6] 17,500[7] 2,500 killed 5,000 captured 10,000 wounded

The Hundred Days Offensive (8 August to 11 November 1918) was a series of massive Allied offensives that ended the First World War. Beginning with the Battle of Amiens (8–12 August) on the Western Front, the Allies pushed the Imperial German Army back, undoing its gains from the German spring offensive.

The Germans retreated to the Hindenburg Line, but the Allies broke through the line with a series of victories, starting with the Battle of St Quentin Canal on 29 September. The offensive, together with a revolution breaking out in Germany, led to the Armistice of 11 November 1918 which ended the war with an Allied victory. The term "Hundred Days Offensive" does not refer to a battle or strategy, but rather the rapid series of Allied victories.

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