Summary of the History of Earth

Human life on Earth is just a blip in Earth’s history, so much has happened before humans ever existed.  Here’s a list of extraordinary global events which you missed..

  • 13.75 billion years ago: The big bang!
  • 13.5 billion years ago : Our Milky Way galaxy is formed
  • 4.6 billion years ago : Sun and Earth form from lumps of dust
  • 4.5 billion years ago : Earth/Moon impact
  • 4.1 billion years ago : Earth has a crust and water appears
  • 3.9 billion years ago : Majority of the meteorite activity ends
  • 3.5 billion years ago : DNA appears, and simple cells emerge
  • 2.5 billion years ago : Moon is 30% closer than today
  • 2.5 billion years ago : Oxygen appears on Earth
  • 900 million years ago : There was 20 hrs in a day
  • 600 million years ago : Some animals appeared
  • 540 million years ago : Fish appeared
  • 444 million years ago : Mass Extinction (1) 86% of species lost
  • 443 million years ago : Temperatures have dropped
  • 419 million years ago : Insects appeared
  • 380 million years ago : CO2 rising
  • 375 million years ago : Mass Extinction (2) 75% of species lost
  • 370 million years ago : CO2 dropping significantly
  • 360 million years ago : Wooden trees first appeared decomposes in to coal
  • 320 million years ago : CO2 at lowest levels, temperatures dropped
  • 315 million years ago : Reptiles appeared
  • 300 million years ago : Wood eating organisms first appeared, stopping coal production
  • 260 million years ago : Temperatures rise
  • 251 million years ago : Mass Extinction (3) 96% of species lost
  • 230 million years ago : Dinosaurs appeared
  • 200 million years ago : Mass Extinction (4) 80% of species lost
  • 190 million years ago : Ice age started
  • 170 million years ago : 23 hrs were in day
  • 153 million years ago : Trees appeared
  • 150 million years ago : Birds appeared
  • 80 million years ago : Ants appeared
  • 66 million years ago : Mass Extinction (5) 76% of species lost, including Dinosaurs

Pre-History

  • 2.5 million years ago : Stone age. Homo habilis age
  • 1.5 million years ago : Homo erectus, living as hunter/gathers
  • 780,000 years ago : Earth magnetic poles flipped
  • 300,000 years ago : Steinheim skull, Fire in use
  • 140,000 years ago : Ice age ending
  • 72,000 BC : Toba Volcanic eruption
  • 70,000 BC : Ice age starting
  • 70,000 BC : World migration from Africa
  • 70,000 BC : World population around 15,000
  • 50,000 BC : Normal human behaviour (cognition: language, music)
  • 42,000 BC : Use of clothing
  • 28,000 BC : Harpoons, needles, and saws in use
  • 17,000 BC : CO2 rising above 200ppm
  • 15,000 BC : Ice age ending
  • 10,000 BC : Living as hunters/gathers ends, farming starts
  • 10,000 BC : 1 to 4 Million people on the planet
  • 8000 BC : Earliest Oil lamps
  • 7000 BC : Languages are forming
  • 6000 BC : Graphical boundaries forming
  • 5000 BC : Objects as money in use
  • 4000 BC : 7 Million on the planet

Ancient History:

  • 3700 BC : Written records start
  • 3300 BC : Bronze Age begins
  • 3000 BC : Invention of Maths
  • 3000 BC : Stonehenge built
  • 2584 BC : Great Egyptian Pyramids construction started (took 20yrs)
  • 2000 BC : 27 Million people on the planet
  • 1600 BC : Phonetic alphabet formed
  • 1200 BC : Ion Age begins
  • 700 BC : Money system starts
  • 0 : 170 Million people on the planet
  • 4 BC : Jesus born
  • 775 AD : Unexplained gamma burst hits Earth
  • 1300 AD : 310 Million people on the planet
  • 1370 AD : Bible translated to English

Modern History:

See the future:

Leave a Reply

three × 5 =