William Euler was born in Conestogo, Ontario on 10 July, 1875. Euler was elected as Mayor of Berlin in 1914, and served until he ran for federal politics in 1917 against William Weichel as an Opposition (Liberal) candidate, and represented Waterloo North until his appointment to the Senate in 1940. Euler reacted publicly to anti-German sentiments and actions at the outbreak of the First World War.
(PARLINFO, “Euler, The Hon. William Daum.” Accessed April 20, 2014. http://www.parl.gc.ca/)