Author:
Underwood & Underwood, N.Y. [Halifax Explosion, Nova Scotia, Canada, 6 December 1917]
Publication details:
Copyright Underwood & Underwood, N.Y. [New York.] 'Novelty Mfg. & Art Co., Limited, Montreal [Canada]'. Undated [1917 or 1918].
The largest man-made explosion before the the development of nuclear weapons, with a force equivalent to nearly 3 kilotons of TNT, occurred when the French cargo ship SS Mont-Blanc, laden with wartime munitions, collided with the Norwegian vessel SS Imo in the Narrows, a strait connecting the upper Halifax Harbour to Bedford Basin. The explosion devastated the Richmond District of Halifax, killing 2000 and injuring 9000. Each postcard carries the words 'Copyright Underwood & Underwood, N.Y.' next to the caption beneath the image, with 'Novelty Mfg.