Charge of Flowerdew's Squadron by Alfred Munnings, 1918

Alfred Munnings was employed as war artist to the Canadian Cavalry Brigade during the First World War. This painting depicts the Canadian cavalry charge against German machine-gun positions at Moreuil Wood, led by Lieutenant Gordon Flowerdew of Lord Strathcona's Horse. The painting is in the Canadian War Museum.
From Wikimedia Commons

Historical Background of the New Canadian Opera Mary's Wedding