The WWI Battle Site of Ypres (5 letters) is located in Belgium and was the site of three major battles during the war. The first battle, known as the First Battle of Ypres, began in October 1914 and lasted until November. The second battle, known as the Second Battle of Ypres, began in April 1915 and lasted until May. The third battle, known as the Third Battle of Ypres, began in July 1917 and lasted until November. All three battles were fought between the Allied forces and the German Empire. Ypres was a strategic location for both sides, as it was a gateway to the English Channel and the North Sea.