Most Important Events in the History of the Earth

Chicxulub Impact (extinction of the dinosaurs) - 65 million years ago

Start of Civilization - 12,000 years ago or so

reign of the dinosaurs 230-66 million years ago, ruled for 135 million years

Early Solar System and the first formation of planet earth - 4.6 billion years ago

First Hominids - 2 million years ago

Late Heavy Bombardment 3.8 - 4 billion years ago

Moon Formation - 4.5 billion years ago

Stromatolites earliest forms of life 3.5 billion years ago

Emergence of the Last Universal Common Ancestor (the first life form to appear on earth, which eventually led to all the forms of life on earth now) 3.7 billion years ago

Sun becoming a Red Giant 5 billion years from now

The Trilobites ruled for 270 million years, and became extinct 250 million years ago

First Land Reptiles Appear - 320 million years ago

First Birds Appear - 160 million years ago

Permian Mass Extinction - 252 million years ago

The Late Devonian Mass Extinction - 360 million years ago

Snowball Earth - 650 million years ago

The Great Oxidation Event - 2.5 billion years ago

The Ordovician Silurian Extinction Event - 440 million years ago

Triassic Jurassic Extinction Event - 205 million years ago

First fire created by humans - 1.4 million years ago

First continents appear - 3.5 billion years ago

The Cambrian Explosion - 570 million years ago

Formation of the first crust and oceans - 3.5 billion years ago

First flowers emerge - 130 million years ago

The first humans emerge (the first of the human race) - 250,000 years ago

The first insects - 395 million years ago

First land plants appear - 458 million years ago

First blue green algae appear - 1.6 billion years ago

Pangea Ultima (earth's final super continent) - 250 million years from now

Earth in a billion years

Earth is barren and essentially dead 1 quadrillion years from now

Earth's Orbit finally decays 100 quintillion years from now

The universe is dead over 1000 triginitillion years from now