[Mirek Wawrzynski]

Thanks
it was the the fire storym on Warsaw on 25.09.1939, the hardest day for defence and citisens. Air attack during wholy day plus strong artillery fire too.

There were many casoulties and a lot of fire on the ground.
A/A city's defence was in this period very weak. This air attack foreced defenders to capitulate on 27.09.39.

Casultis rate: 5000-10 000 citisens killed in the one day (different estiamtes)

mw