10 Most Important Events in History
The Creation of Earth - 4.6 bilion years ago
The earth was created by the accretion of remnants from a nebular collapse.
Life - 4.4 billion years ago
The origin of of life was one of the most important events in the history of the Earth as it would literally change the face of the Earth.
Photosynthesis - 3.4 billion years ago
Photosynthesis allowed plants convert sunlight and Co2 into energy a process which released oxygen as a byproduct causing oxidation.
Oxidation - 2.4 billion years ago
Photosynthesis flooded the atmosphere with oxygen and purged it of Co2 stifling the greenhouse effect.
Snowball Earth - 650 million years ago
The slow down of the green house effect caused by oxidation caused the temperature on Earth to plummet to an average of -50°C.
Cambrian Explosion - 530 million years ago
The Cambrian Explosion was rapid increase in the number and diversity of species on Earth.
Pangea - 260 million years ago
Pangea was the super continent from which the current continents originate.
The Great Dying - 250 million years ago
The the Great Dying was the most devastating extinction in the history of the Earth killing 96% of all species on Earth. It was caused by volcanic eruptions and their effects on the climate.
Mesozoic Extinction - 65 million years ago
The Mesozoic extinction was caused by the impact of an asteroid 10km in diameter. The impact killed the dinosaurs ending the age of the reptiles and paving the way for the age of the mammals.
Humans - 4 million years ago
Humans have affected the planet more than any other species in the history of Earth