A stamp commemorating the Halifax Explosion of 1917 will be unveiled today by the lieutenant Governor of Nova Scotia. Arthur LeBlanc will reveal the design of the Canada Post stamp during a ceremony at Government House. This year marks 100 years since the munitions vessel SS Mont Blanc collided with the SS Imo causing a massive blast that devastated the city. The disaster in the Halifax Harbour on December 6th 1917 killed 2,000 people, injured 9,000 and left 25,000 homeless. The accident was part of the Heritage Minutes series. CLICK HERE