Ypres east of the town. The first gas attack occurred against Canadian, British, and French soldiers, including both metropolitan French soldiers as well as Senegalese and Algerian tirailleurs (light infantry) from French Africa. The gas used was chlorine. Mustard gas, also called Yperite from the name of this town, was also used for the first time near Ypres, in the autumn of 1917. Of the battles, the largest, best-known, and most costly in human suffering was the Third Battle of Ypres (31 July to 6 November 1917, also known as the Battle of Passchendaele), in which the British, Canadian, ANZAC, and
Battle of Cambrai (1917) to become Cambrai-Fritsch Kaserne. The United States Army occupied Cambrai-Fritsch Kaserne from the end of World War II until 2008, when the land was returned to the German government. Battle of Cambrai (1917) The Battle of Cambrai (Battle of Cambrai, 1917, First Battle of Cambrai and Schlacht von Cambrai) was a British attack followed by the biggest German counter-attack against the British Expeditionary Force (BEF) since 1914, in the First World War. The town of Cambrai, in the département of Nord, was an important supply point for the German (known to the British as the Hindenburg Line) and capture of