<Li> Private John George Pattison of the 50th (Calgary) Battalion . </Li> <Li> Captain Thain Wendell MacDowell of the 38th (Ottawa) Battalion . </Li> <P> At least two Orders Pour le Mérite, the Kingdom of Prussia's highest military order, were awarded to German commanders for their actions during the battle: </P> <Ul> <Li> Oberstleutnant Wilhelm von Goerne commander of the 261st Prussian Reserve Infantry Regiment, of the German 79th Reserve Division . </Li> <Li> General of the Infantry Georg Karl Wichura commander of the VIII Reserve Corps and Gruppe Souchez . </Li> </Ul>

When did the war of vimy ridge start