Battle of the Yser

Target entity: Battle of the Yser
Context triple: [Yser Front, hasKeyBattle, Battle of the Yser]

• A. Fourth Battle of Ypres
  The Fourth Battle of Ypres was a World War I engagement in 1918, also known as the Battle of the Lys, in which German forces launched a major offensive against Allied positions in Flanders.
• B. Battle of Canal du Nord
  The Battle of Canal du Nord was a major World War I engagement in late 1918 in which Allied forces, led largely by the Canadian Corps, successfully breached German defenses along the Canal du Nord as part of the final push on the Western Front.
• C. Fifth Battle of Ypres
  The Fifth Battle of Ypres was a late-1918 Allied offensive on the Western Front in World War I, aimed at pushing German forces back in Flanders during the final Hundred Days campaign.
• D. Second Battle of Ypres
  The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
• E. Battle of Nivelle
  The Battle of Nivelle was a major 1813 engagement in the Peninsular War in which Allied forces under the Duke of Wellington defeated French troops in southwestern France, helping to drive Napoleon’s armies back toward the interior.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Battle of the Yser
Target entity description: The Battle of the Yser was a crucial World War I engagement in October 1914 in which Belgian forces, by flooding low-lying terrain along the Yser River, halted the German advance toward the Channel ports.

• A. Fourth Battle of Ypres
  The Fourth Battle of Ypres was a World War I engagement in 1918, also known as the Battle of the Lys, in which German forces launched a major offensive against Allied positions in Flanders.
• B. Battle of Canal du Nord
  The Battle of Canal du Nord was a major World War I engagement in late 1918 in which Allied forces, led largely by the Canadian Corps, successfully breached German defenses along the Canal du Nord as part of the final push on the Western Front.
• C. Fifth Battle of Ypres
  The Fifth Battle of Ypres was a late-1918 Allied offensive on the Western Front in World War I, aimed at pushing German forces back in Flanders during the final Hundred Days campaign.
• D. Second Battle of Ypres
  The Second Battle of Ypres was a major First World War engagement in 1915, notorious as the site of the first large-scale use of poison gas on the Western Front and heavy fighting involving Allied forces including Canadian troops.
• E. Battle of Nivelle
  The Battle of Nivelle was a major 1813 engagement in the Peninsular War in which Allied forces under the Duke of Wellington defeated French troops in southwestern France, helping to drive Napoleon’s armies back toward the interior.
• F. None of above. chosen