10 September 1939 Posted on September 10, 2021 by Staff World War II: The Canadian declaration of war on Germany receives royal assent. Famous Words of Inspiration..."The more a man knows, the more he forgives." Catherine the Great — Click here for more from Catherine the Great Related posts: 6 September 1939 31 August 1939 23 August 1939 20 April 1939 15 March 1939 1 September 1939 1 September 1939 1 April 1924 30 April 1939 30 April 1939