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Universe Timeline 4.8

Compresses the history of the universe into a single year.
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Date Day of week Time Event
2027/01/01 Friday The Big Bang. Beginning of the space and time.
2027/01/04 Monday Methuselah star. Oldest known star in the universe.
2027/01/06 - 2027/01/24 Wednesday - Sunday Reionization era. Early stars start ionizing interstellar gas.
2027/01/08 Friday First black holes form
2027/01/14 Thursday Mass star formation. Universe starts to heat once again.
2027/01/16 Saturday First galaxies form
2027/01/17 Sunday GRB 090423. Oldest gamma ray burst ever observed.
2027/01/22 Friday Hubble ultra deep field
2027/01/26 Tuesday Quasar CFHQS J2329-0301. Oldest known quasar.
2027/01/30 Saturday PST B1620-26. Oldest known exoplanet.
2027/02/01 Monday Milky Way forms
2027/02/14 Sunday GRB 140419A supernova. Second oldest gamma ray burst.
2027/02/25 Thursday BX442 galaxy. Oldest known spiral galaxy.
2027/03/02 Tuesday Kapteyn b. Oldest known exoplanet lying within the habitable zone.
2027/03/05 Friday Milky Way's cosmic halo forms
2027/03/16 Tuesday Star formation rate peaks. Universe starts to cool Temperature averages around 13000 K.
2027/03/29 Monday Oldest population I stars. First stars abundant in metals.
2027/03/31 Wednesday Universe becomes habitable. First life-friendly star systems emerge.
2027/04/14 Wednesday JKCS 041. Oldest galactic cluster.
2027/04/19 Monday Universe reaches 1/3 of its present diameter
2027/04/22 Thursday Milky Way star formation rate stabilizes
2027/04/28 Wednesday Barnard's star forms. Oldest close solar neighbor.
2027/05/07 Friday Oldest known evidence for dark energy
2027/05/13 Thursday Milky Way's thin disk starts to form
2027/05/21 Friday Lalande 21185
2027/05/23 Sunday Lacaille 9352
2027/06/03 Thursday Milky Way star formation rate begins to decline
2027/06/08 Tuesday Mizar forms
2027/06/16 Wednesday GRB 080319B. Most powerful gamma ray burst ever observed by humans.
2027/06/16 Wednesday Arcturus forms. 4th brightest star in the night sky.
2027/06/27 Sunday Universe cools below 5 K
2027/06/29 Tuesday Growth of large galaxies slows
2027/07/02 Friday 1/2 the age of the Universe
2027/07/05 Monday Alpha Centauri forms. Closest star system to the Sun.
2027/07/07 Wednesday Alnitak forms. Left star of the Orion's Belt.
2027/07/13 Tuesday Milky Way starts spiralizing
2027/07/15 Thursday Age of an average earth-like planet
2027/07/21 Wednesday 61 Cygni forms
2027/07/26 Monday Dark energy overtakes gravity. Universe's expansion rate starts to accelerate.
2027/07/31 Saturday Tau Ceti forms
2027/08/08 Sunday Solar nebula starts collapsing
2027/08/08 Sunday Milky way becomes a spiral galaxy
2027/08/16 Monday Gliese 570 forms
2027/08/25 Wednesday Proxima Centauri forms. Closest star to the Sun.
2027/08/29 Sunday SN 2005ap supernova. Brightest supernova ever observed.
2027/09/02 Thursday The Sun forms
2027/09/02 Thursday Proto-earth forms. Planets, asteroids and comets form from the Sun's protoplanetary disk.
2027/09/03 Friday Formation of the Moon. Theia impacts Earth, the Moon forms from the coalesced debris.
2027/09/06 Monday Oceans form on Earth. Asteroids bring water to Earth.
2027/09/06 Monday First known minerals. Zircons form at Jack Hills, Australia.
2027/09/10 Friday Mintaka forms. Right star of the Orion's Belt.
2027/09/11 - 2027/09/19 Saturday - Sunday Life emerges on Earth
2027/09/14 - 2027/09/22 Tuesday - Wednesday Late Heavy Bombardment
2027/09/14 Tuesday Earliest known rock. (Aggregate of minerals).
2027/09/17 Friday Greenstone rock belt
2027/09/22 Wednesday Oldest banded iron formation
2027/09/27 Monday Vaalbara supercontinent emerges
2027/09/30 Thursday Last universal ancestor. Split between bacteria and archaea.
2027/09/30 Thursday Cyanobacteria fossils. Warrawoona, oldest fossil evidence of life on Earth.
2027/10/05 Tuesday Compressional tectonics
2027/10/06 Wednesday Barberton event. One of the largest impacts ever, left a 300 mi / 480 km crater.
2027/10/08 Friday Ur supercontinent forms
2027/10/08 Friday Anoxygenic photosynthesis developed by bacteria
2027/10/11 Monday First land bacteria
2027/10/13 Wednesday Cyanobacteria develop true photosynthesis. Life begins to produce oxygen.
2027/10/16 Saturday Zeta Reticuli forms
2027/10/16 Saturday Kenorland supercontinent emerges
2027/10/16 Saturday Tides decline below 1000 ft / 300 m
2027/10/18 Monday Vaalbara supercontinent breaks up
2027/10/21 Thursday Major komatiite eruption
2027/10/21 Thursday First eukaryotes emerge. Early estimate.
2027/10/24 Sunday Oldest known giant carbonate platform
2027/10/25 Monday Zeta Puppis forms
2027/10/26 Tuesday Great Oxygenation event. Bacterially produced oxygen starts to accumulate in the atmosphere.
2027/10/26 Tuesday Movement of the tectonic plates commences
2027/10/29 Friday Suavjarvi impact event left oldest still recognizable crater
2027/10/29 - 2027/11/05 Friday - Friday Huronian glaciation. First snowball earth period.
2027/11/01 Monday Continental red beds form
2027/11/03 Wednesday Atmospheric oxygen level surpasses one percent
2027/11/03 Wednesday Ozone layer forms
2027/11/06 Saturday Earliest known eukaryote fossils (acritarchs)
2027/11/06 Saturday Earliest multicellular life. Francevillian Group Fossil.
2027/11/08 Monday Vredefort impact event. One of the largest impacts ever left a 190 mi/ 300 km crater.
2027/11/11 Thursday Atmospheric oxygen level surpasses 15 percent
2027/11/11 Thursday Natural nuclear reactor forms in Oklo, Gabon
2027/11/13 Saturday Sudbury impact, event left a 160 mi / 260 km crater
2027/11/14 Sunday Supercontinent Columbia forms
2027/11/15 Monday Vishnu Basement Rocks. Oldest rocks in the Grand Canyon.
2027/11/17 Wednesday Oldest sand dune ergs
2027/11/19 Friday Mitochondria assimilate into eukaryotic cells
2027/11/22 Monday Supercontinent Columbia breaks up
2027/11/23 Tuesday Geologic platform covers expand
2027/11/24 Wednesday Population of stromatolites rapidly rises
2027/11/25 Thursday Procyon forms. Brightest star in Canis Minor.
2027/11/27 Saturday Greenville orogeny starts
2027/11/30 Tuesday Supercontinent Rodinia forms
2027/11/30 Tuesday Bangiomorpha pubescens. First sexually reproducing organism.
2027/12/01 Wednesday Population explosion of eukaryotes
2027/12/02 Thursday Earliest flagellate protists
2027/12/09 Thursday Population of stromatolites starts to decline
2027/12/10 Friday Protista population explodes
2027/12/11 Saturday Kaigas glaciation. Snowball earth period.
2027/12/12 Sunday Supercontinent Rodinia breaks apart
2027/12/12 - 2027/12/14 Sunday - Tuesday Sturtian glaciation. Snowball earth period.
2027/12/14 Tuesday Marinoan glaciation. Snowball earth period.
2027/12/16 Thursday Fossilized worm impressions in China
2027/12/16 Thursday Avalon explosion. Ediacaran fauna emerges.
2027/12/17 Friday Cambrian explosion. Exponential diversification of life, most major animal phyla appear.
2027/12/18 Saturday First trilobites
2027/12/20 Monday 02:20 Plants and arthropods colonize the land
2027/12/20 Monday 05:31 Ordovician extinction event. 60% of all species go extinct.
2027/12/20 Monday 21:23 First air-breathing animals
2027/12/21 Tuesday 13:15 First tetrapods
2027/12/21 Tuesday 22:46 First tree-like plants
2027/12/22 Wednesday 05:07 Late Devonian extinction. 70% of all species go extinct.
2027/12/23 Thursday 06:31 First amniotes
2027/12/23 Thursday 12:52 First reptiles
2027/12/23 Thursday 22:23 Atmospheric oxygen level peaks at 35%. Arthropods grow into unprecedented sizes.
2027/12/24 Friday 01:33 Pangaea forms. Last supercontinent.
2027/12/25 Saturday 08:40 Permian extinction event. Largest extinction event in history, 90-96% of all species go extinct.
2027/12/25 Saturday 09:18 Sirius forms . Brightest star in the night sky.
2027/12/25 Saturday 21:21 First dinosaurs
2027/12/26 Sunday 01:10 First mammals
2027/12/26 Sunday 16:24 Triassic extinction event. 75% of all species go extinct.
2027/12/26 Sunday 23:23 First giant sauropods
2027/12/27 Monday 05:44 Pangaea splits into Laurasia and Gondwana
2027/12/27 Monday 08:16 First stegosaurs
2027/12/27 Monday 21:36 First birds
2027/12/28 Tuesday 03:57 Madagascar splits from Africa
2027/12/28 Tuesday 13:28 First flowering plants
2027/12/28 Tuesday 13:28 Laurasia and Gondwana begin to drift apart
2027/12/29 Wednesday 04:42 Spinosaurus evolves. Largest of all carnivorous dinosaurs.
2027/12/29 Wednesday 08:31 First bees
2027/12/29 Wednesday 14:52 Indian subcontinent splits from Gondwana
2027/12/29 Wednesday 21:13 Australia splits from Antarctica
2027/12/30 Thursday 04:50 Tyrannosaurus rex evolves
2027/12/30 Thursday 06:06 Cretaceous extinction event. 75% of all species vanish.
2027/12/30 Thursday 09:54 First primates evolve
2027/12/30 Thursday 13:05 First modern birds
2027/12/30 Thursday 16:15 Indian subcontinent collides with Asia. Tiber and Himalayas start to rise.
2027/12/30 Thursday 18:09 Whales return to the water
2027/12/30 Thursday 22:36 Antarctic ice cap begins to grow
2027/12/31 Friday 01:46 Grasslands become widespread
2027/12/31 Friday 04:57 South America separates from Antarctica
2027/12/31 Friday 07:29 First elephants. Eritreum melakeghebrekristosi.
2027/12/31 Friday 12:34 Divergence of great apes and lesser apes
2027/12/31 Friday 14:28 First bovids
2027/12/31 Friday 17:01 First large horses
2027/12/31 Friday 18:55 Rigel forms. Brightest star in Orion.
2027/12/31 Friday 19:14 Betelgeuse forms. Second brightest star in Orion.
2027/12/31 Friday 20:11 Last common ancestor humans and chimpanzees
2027/12/31 Friday 20:13 - 20:36 Messinian salinity crisis. Strait of Gibraltar closes tight, Mediterranean Sea dries out.
2027/12/31 Friday 21:27 Australopithecus evolves
2027/12/31 Friday 22:05 Great American Interchange. Isthmus of Panama rises, North and South America join, extensive fauna exchange follows.
2027/12/31 Friday 22:24 Current ice age begins
2027/12/31 Friday 22:36 First members of the genus Homo appear
2027/12/31 Friday 23:02 First controlled use of fire by Homo erectus
2027/12/31 Friday 23:30 Last reversal of the Earth's magnetic field
2027/12/31 Friday 23:35 Yellowstone Caldera erupts
2027/12/31 Friday 23:40 Earliest human engravings. Zig-zag patterns on shells in Java.
2027/12/31 Friday 23:48 Earliest instances of burial
2027/12/31 Friday 23:50 Neanderthals evolve
2027/12/31 Friday 23:52 Anatomically modern humans appear in Africa
2027/12/31 Friday 23:56 Humans begin migrating out of Africa
2027/12/31 Friday 23:57 Toba supervolcanic eruption. Human population falls to 10,000.
2027/12/31 Friday 23:58 23:58:40 Neanderthals go extinct
2027/12/31 Friday 23:59 23:59:25 First domesticated dogs
2027/12/31 Friday 23:59 23:59:39 Beginning of agriculture
2027/12/31 Friday 23:59 23:59:46 Wheel invented
2027/12/31 Friday 23:59 23:59:48 Writing invented
2027/12/31 Friday 23:59 23:59:49 Great Pyramid
2027/12/31 Friday 23:59 23:59:52 Iron Age begins
2027/12/31 Friday 23:59 23:59:55 Julius Caesar
2027/12/31 Friday 23:59 23:59:58 Galileo Galilei
2027/12/31 Friday 23:59 23:59:59 Charles Darwin