In 1986, a Soviet pilot made a bet with his co-pilot that he could land the aeroplane with an instrument-only approach, with no visual contact with the ground. He crashed the plane, killing 70 of the 94 passengers and crew on board.

After an 8.0 magnitude earthquake hit Mexico City in 1985, nearly all newborn babies survived a collapsed hospital for 7 days without nourishment, water, warmth or human contact.