Cap Badge - 4th (Central Ontario) Battalion CEF (Canadian Expeditionary Force). 4th (Central Ontario) Battalion, CEF was organized at Valcartier on 2 September 1914 and was composed of recruits from Military District 2 (Aurora, Brampton, Brantford, Hamilton and Niagara Falls). The battalion arrived in England on 14 October 1914. Its strength was 44 officers and 1,121 other ranks. The battalion disembarked in France on 11 February 1915, becoming part of the 1st Division, 1st Canadian Infantry Brigade. It was later reinforced by the 3rd Canadian Reserve Battalion. It was involved in the following battles: Ypres (1915) Passchendaele (1917); Gravenstafel; St. Julien; Festubert (1915); Mount Sorrel; Somme (1916); Pozières; Flers-Courcelette; Ancre Heights; Arras (1917); Vimy (1917); Arleux; Scarpe (1918); Hill 70; Passchendaele; Amiens; Drocourt-Quéant; Hindenburg Line; Canal du Nord; and the Pursuit to Mons.