`  == Canadian soldier and the Christmas truss ==   exert front articileWar Time Truss by Randy Boswell of the Postmedia News  A Canadian soldier from Vimy Ridge in a letter home confirmed that: ``We had a truss on  Christmas day and our german friends were quiet friendly. They came over and we traded bully beef for cigars.`` Four months later the soldier was killed at the major battle of Vimy Ridge.`