Detailed Time Line of History

Below is a time line of all the main events in the history of the Universe. This web site also contains a geological time scale. The Stories in date order are:

13.7 billion years ago

Origin of the Universe 13.7 bya / Energy / Energy at the Origin of the Universe / Failure of Science / Before the Big Bang / Multiverse / Vacuum / Fields / Spacetime / Inflation Epoch: Creation to 10^-35 seconds / Four Fundamental Forces / Grand Unification Epoch 10^-35 to 10^-36 seconds / Big Bang 10^-36 seconds / Quark Epoch 10^-36 to 10-6 seconds / Hadron Epoch 10-6 to 1 second / Radioactivity / Exotic Particles / Lepton Epoch 1 to 10 seconds / Photon Epoch 10 seconds to 380,000 years / Fog / Interactions / Nucleosynthesis 3 to 20 minutes / Cosmic Dark Age 380 thousand to 150 million years / Atoms / Gas / Cosmic Microwave Background Radiation / Galaxies / Mystery of Formation of First Galaxies / Missing Mass Problem / Dark Matter / Large Scale Structure of the Universe / Protogalaxies 100 million years /

13.2 billion years ago

Earliest known Galaxy 13.2 bya /

12 billion years ago

Structure of the Universe 12 bya / Clusters of Galaxies / Structure today / Galaxies Today / Elliptical Galaxies / Spiral Galaxies / Milky Way Galaxy / Globular Star Cluster / Disc of Galaxy / Spiral Arms / Galaxy Problems / Nucleus of Galaxy / Black Holes / Our Location within Milky Way / Stars / Birth of a Star / Open Star Clusters / What is a Star? / Binary Stars / How a Star Works / Red Giant / White Dwarf Star / Nova / Supernova / Neutron Star / Dust and Planets / Stardust / Molecules / HONC Atoms / Nitrogen / Oxygen / Water / Hydrogen Bond / Ice /

4.65 billion years ago

Solar System 4.65 bya / Sun / Solar Disc / Planets / Formation of Solar Planets / Solar System Model / Earth /

4.6 billion years ago

Hadean Era 4.6 to 4 bya / Earth Origin / Earth Structure / Earth Magnetic Field / Terrestrial Radioactivity / Meteorite Era / Volcanoes /

4 billion years ago

Oldest Rocks 4 bya / Early Atmosphere / Liquid Water / Rain / Weathering of Rock / Archaean Era 4 to 2.5 bya / Continental Drift / The Process of Life / Protein / Amino Acids / Dry Joining / Amino Acid Chains / Enzyme / Nucleic Acid / Base Pairing / DNA Structure / Making Protein / Process of Life / Origin of Life / Reproduction / Mutation / Evolution / Genetic Problems / Genetic Engineering /

3.9 billion years ago?

Cells 3.9 bya? / Three Domains / Prokaryotes / Archaea 3.9 bya? /

3.5 billion years ago?

Bacteria 3.5 bya? / Fermentation / Cell Division / Chromosomes /

3.5 billion years ago

Photosynthesis 3.5 bya / Bacterial Diseases / Bacterial Benefits / Bacterial Spores / Viruses /

2.5 billion years ago

Paleoproterozoic Era 2.5 to 1.6 bya /

2.0 billion years ago

Columbia Continent 2.0 to 1.2 bya /

2.4 billion years ago

Great Oxygen Poisoning 2.4 bya /

2 billion years ago

Respiration 2 bya / Ozone / Symbiosis / Eukaryotes / Mitochondrion / Protozoa /

1.6 billion years ago

Mesoproterozoic Era 1.6 to 1 bya /

1.2 billion years ago

Sex 1.2 bya / Algae /

1 billion years ago

Colony of Algae 1 bya / Hormones / Death / Fungi / Ecosystem /

1000 million years ago

Neoproterozoic Era 1000 to 542 mya / Tonian Period 1000 to 850 mya /

850 million years ago

Cryogenian Period 850 to 635 mya / Atmosphere / Ice Ages / Biological Evolution /

635 million years ago

Ediacaran Period 635 to 542 mya / Early Animals /

542 million years ago

Paleozoic Era 542 to 251 mya / Cambrian Period 542 to 488 mya / Animal Groups / Mollusk /

488 million years ago

Ordovician Period 488 to 444 mya / Vertebrates /

444 million years ago

Silurian Period 444 to 416 mya /

416 million years ago

Devonian Period 416 to 359 mya / Vertebrates /

359 million years ago

Carboniferous Period 359 to 299 mya /

299 million years ago

Permian Period 299 to 251 mya /

251 million years ago

Mesozoic Era 251 to 66 mya / Triassic Period 251 to 200 mya /

200 million years ago

Jurassic Period 200 to 146 mya /

146 million years ago

Cretaceous Period 146 to 66 mya / Extinction of Dinosaurs /

66 million years ago

Cenozoic Era 66 mya to today /

2.6 million years ago

Quaternary Period 2.6 mya to today / Recent Ice Age /

2.5 million years ago

Homo Habilis 2.5 mya /

Homo Erectus 2mya

Homo Erectus 2mya /

400 thousand years ago

Fire 700^-400 kya /

600 thousand years ago

Neanderthals 600 kya /

200 thousand years ago

Modern People 200 kya /

50 thousand years ago

Out of Africa 50 kya /

11 thousand years ago

Interglacial 11 kya / Nomads / Farmers /

10 thousand years ago

Neolithic Revolution 10 kya /

7 thousand years ago

Cities 7 to 5 kya /

5 thousand years ago

Cooling Began 5 kya / Kings and Peasants 5 kya / India / China / South America / Middle East / Migrations / Empires /

3 thousand years ago

Iron Age 3 kya /

2.5 thousand years ago

Greek inventions 2.5 kya / Roman Empire /

1.6 thousand years ago

Byzantium 1.6 kya /

1.5 thousand years ago

Dark Ages 1.5 kya /

1.4 thousand years ago

Islam 1.4 kya /

1 thousand years ago

Middle Ages 1 kya /

550 years ago

Renaissance 550 ya / Printing Press 550 ya / Colonialism 550 ya / Copernicus 550 ya / Little Ice Age 550 ya /

350 years ago

Science 350 ya / Industrial Revolution / Democracy / Capitalism / Law / Industrial Growth / Communism / New Industrial Nations / Industrial Wars / Totalitarian Dictatorships / Fascism / Nuclear Weapons / Other Technology /

The Past 50 Years

The Past 50 Years / Modern Technology / Computers / Continents Today / SWOT Analysis of Humanity / Strengths / Weaknesses / Opportunities / Threats /

Lessons for the Future

Lessons for the Future / Future of Medicine / Future of Energy / Future of Humanity / Future of Climate / Future of Computers / Future of Earth / Future of the Sun / Future of Galaxy / Future of Universe /