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Period: 9999 BCE to
Natural disasters
Beginning of Earth -
Period: to
Industrial revolution
Machines
Textiles
Steam power
Iron making -
Period: to
WW1
Death of animals and plants
Advancing weapons -
Period: to
WW2
Damaged more than nature
Birth of nuclear power
Leading to the broken arrow incident -
Period: to
Broken arrow
kirtland air force base
The collison