Vast masses of Parisians gathered at the Basilica Church of the sacred heart on the hill of Montmartre to attend a religious service and pray for peace. Part of the huge crowd gathered in front of the church in France on August 27, 1939.
Members of the French Army man an acoustic locator device on January 4, 1940. The device was one of many experimental designs, built to pick up the sound of distant aircraft engines and give their distance and location. The introduction and adoption of radar technology rendered these devices obsolete very quickly.
A party of newspaper men on the Western Front are shown atop one of the big forts somewhere in the Maginot Line, France, on October 19, 1939, with a French army guide pointing out to them the "no man's land" that separates the French and German troops.
London's Westminster Bridge and the Houses of parliament, shrouded in darkness, after the great black-out began, on August 11, 1939. This blackout was the first trial conducted by the Home Office, in preparation for possible German air raids.
This was the scene at Holborn Town Hall, in London, England, as officials and mothers tested the reactions of babies to a respirator designed to protect them against poison gas on March 3, 1939. Several babies, all under the age of two, were fitted with the "baby helmets."
German Chancellor and dictator Adolf Hitler consults a geographical survey map with his general staff including Heinrich Himmler (left) and Martin Bormann (right) at an undisclosed location in 1939.
On Friday, Oct. 30, 2008, a man looks at a photograph of Johann Georg Elser, mounted on a monument in Freiburg, Germany. Elser, a German citizen, attempted to assassinate Adolf Hitler with a self-made bomb in the "Buergerbraukeller" beer hall in Munich on November 8, 1939. Hitler finished his speech early, escaping the timed explosion by just thirteen minutes. Eight people died, 63 were injured, and Elser was caught and imprisoned. Shortly before the end of World War II, he was executed in the Nazi concentration camp in Dachau.