1917 - The Battle of Vimy Ridge Takes Place - The Halifax Explosion

Between April 9 and April 14, the formative battle that results in Canada asserting its own identity takes place, the Battle of Vimy Ridge.

The Battle of Vimy Ridge, a painting by Richard Jack.
Source of image: https://en.wikipedia.org/wiki/Battle_of_Vimy_Ridge#/media/File:The_Battle_of_Vimy_Ridge.jpg

Source of image: http://www.veterans.gc.ca/eng/remembrance/history/first-world-war/vimy-ridge/100-anniversary

On December 6, the Halifax Explosion kills over 1,900 people, with 9,000 injuries to the people of Halifax. This accident results in the largest man-made explosion prior to the August 6, 1945 Hiroshima atomic blast.