During the German bombing raids of WWII city dwellers in Britain were subjected to long nights of complete darkness to protect them from being spotted from above. Called the Blackout, it was a dark foreign world for people accustomed to the brightly lit city, and one which posed new challenges many weren’t aware of. These road safety posters from the period (1939 – 1946) point out some of the hazards people needed to watch out for as they tried their best to “keep calm and carry on.” [Read more...]