Air-raid siren sounds the warning. Air-raid sirens first sounded the warning in London in September 1939. They became an almost daily part of life in the capital a year later during the height of ...

Air raid sirens were placed on the top of tall buildings - often police stations or similar - or on the top of poles if no suitable building could be found. In cities the sirens were powered ...

After thinking it was destroyed in World War II, the Wiescherhöfen Fire Department ... the United States and the Hall of Flame Museum display the fire siren from that was gifted from Germany.