Canada’s dedication to the war, one of the biggest mission failures, and affecting the outcome of future battles are the reasons the battle of Dieppe was a defining moment during World War Two. Canada demonstrated their courage and commitment to the war by assisting the Allies to defeat German forces despite losing so many troops. The battle itself was a total failure with many dead, wounded and taken prisoner, due to the poor planning and execution of the battle. Even though it was not a success, there were some important lessons learned such as they needed to change their strategy, equipment, and communications. Canada's dedication and commitment to the war especially to the battle of Dieppe proved to be a major failure and a huge success