| Blitz |
| Blitz event |
| Blackout cause |
| Luftwaffe blitz |
| Cause for a siren |
| Attack from above |
| Reason for a siren |
| London Blitz ordeal |
| Bomb-dropping attack |
| Cause of a WWII siren |
| Reason for a blackout |
| Reason to take shelter |
| Reason for some sirens |
| Cause of a W.W. II siren |
| London ordeal of W.W. II |
| Mission for a bomber squadron |