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The Big Bang
In the very first instant of New Year's Day, the universe in created. -
Formation of the Milky Way Galaxy
About 4 months (or 0.6 billion years) after the Big Bang, the Milky Way forms. -
The Solar System Forms
The Solar System is formed from a cloud of gas and dust compressing, about 4.5 billion years ago. -
The Earth Forms
The Earth forms as a solid planet orbiting the Sun. This was roughly 4.3 Billion years ago. -
Life Appears on Earth
At about this time, life appears on Earth for the first time, and possibly the only time it will ever appear in the Universe. -
First Photosynthetic Life
Fossils of the first photosynthetic organisms are dated to about this time. -
Eukaryotes Flourish
Eukaruyotes, or cells with nuclei begin to become a dominant organism on Earth. -
Oxygen Atmosphere
The Earth develops a significantly oxygenated atmosphere. -
First Worms
The first worms appear on Earth. -
Ordovician Period
The Ordovician Period begins. This is characterized by the evolution of fish and other vertebrates. -
Silurian Period
The first vascular plants begin to grow. Plants also start growing on land. -
Devonian Period
The first insects develop, and animals begin to move to land. -
New Animals
First amphibians and flying insects. -
Carbiniferous Period
The first trees and reptiles appear. -
Permian Period
Dinosaurs! -
Triassic Period
Mammals! -
Jurassic Period
Birds! -
Cretaceous Period
Flowers! Dinosaurs go extinct. -
Tertiary Period
First primates -
First Hominids
Frontal lobes are developed in primate brains. -
Humans
10:30 PM: First Humans
11:46 PM: Domestication of fire
11:59:20 PM: Invention of agriculture
11:59:50 PM: Development of Astronomy
11:59:51 PM: Written language first developed
11:59:59 PM: European Renaissance, Scientific Method invented