Battle lines on all fronts August 1, 1917. The map shows also the extent of the German submarine blockade. Legend: diagonal lines show Allied territory occupied by enemy; vertical lines show enemy territory occupied by Allies, dotted black line shows international frontiers; red line shows battle lines on August 1, 1917; horizontal lines show war zones of German submarine blockade

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Size: 5190px × 3600px
Photo credit: © Ivy Close Images / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1, 1910s, 1917, 20th, august, battle, blockade, century, destroyer, german, germany, great, lines, map, submarine, war, world, wwi