third battle of ypres

• when was the third battle of ypres?

  31st July - November 1917
• what did the british army want to do and why?

  break out of the ypres salient to get the German advantage of higher ground
• when did the british launch their main attack?

  31st July 1917
• how much did the british army advance by on the first day?

  2 miles
• why was the third battle of ypres not a success?

  the weather turned to rain and became waterlogged
• how far had the british moved the edge of the salient back by?

  7 miles
• how many casualties were there during the third battle of ypres?

  245000