› added 4 years ago
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TIL 99 years ago 4,500 tonnes of a mixture incl. ammonium nitrate fertilizer exploded at BASF in Oppau, Germany, killing 500-600 people, injuring 2000 more. The explosion, estimated to have 1–2 kilotonnes TNT equivalent, could still be heard more than 300km away in north-eastern France and Munich.