Kriewald, Germany, 1921
- On July 26, 1921 in this railway town (now in Poland) workers tried to dislodge 30 tonnes of ammonium nitrate which had aggregated (solidified into one mass) in two wagons. When mining explosives were used on this solid mass the wagons exploded and killed nineteen people.
Read more about this topic: Ammonium Nitrate Disasters