What were the six major life-ending disasters?

Answer 1

Titanic sinking
Krakatoa eruption
Mount Vesuvius eruption
San Francisco earthquake
Johnstown Flood
1919 influenza epidemic
Mount St . Helens eruption
World Trade Center attacks

Answer 2

Black Plague of the midieval ages.

Eruption of Vesuvius in ancient times.

WWII Holocaust - high volume genocide.

Fire bombing of Dresden -Nuclear detonations of Nagasaki/Japan

China:1556
More than 830,000 people in the Shensi Province were killed by this earthquake. It caused the collapse of caves that people had carved out of cliffs and used for homes.

Egypt 1200-02
The Egyptian people relied on the annual flooding of the Nile River to leave soil for growing crops. After a shortage of rain, however, the Nile didn't rise. People were unable to grow food and began to starve to death. The final death toll was 110,000, due to starvation, cannibalism, and disease.

Answer 3

Rather an open ended question..........if you mean natural disasters? The great flood, meteorite impact, volcanic eruption, earthquake, famine, plague.

or

systemic.............heart failure, renal failure, liver failure, brain death, sepsis, immune compromise.

or

marriage, divorce, children, second marriage, children, senility

or

running out of beer at a Superbowl party, no condoms at a hooker convention, dead radio on a submerging vessel, no film during a UFO sighting, misfire while Grizzly bear hunting or answering questions no one will read?