-
Period: 4600 BCE to 540 BCE
Precambrian
Geoloical event - large volcanic activity
Climate events - first great ice age -
3800 BCE
Biological event
Early eukaryotes and cyanobacteria -
570 BCE
Biological event - cambrian period
Appearance of aquatic life -
Period: 540 BCE to 250 BCE
Paleozoic
Geological event - plate tectonics originates
Climate event - 2 major ice ages -
505 BCE
Biological event - ordovician period
appearance of invertebrates -
438 BCE
Biological event - silurian period
Terrestrial animals and plants -
360 BCE
Biological event - devonian period
Amphibian occurrence -
286 BCE
Biological event - carboniferous period
forest expansion -
250 BCE
Biological event - permian period
Trilobites extinction -
Period: 250 BCE to 65 BCE
Mesozoic
Geological event - fragmentation of supercontinents
Climate event - cimate change -
220 BCE
Biological event - triassic period
Appearance of mammals -
145 BCE
Biological event - Jurassic period
Dinosaur apogee -
65 BCE
Biological event - cretaceous period
Appearance of flowering plants -
Period: 65 BCE to 1 BCE
Cenozoic
Geological events - fourth ice age
Climate event - climate change -
12 BCE
Biological event - neogene
Evolution to hominids -
10 BCE
Biological event - paleogene
Appearance of cetaceans and primates -
1 BCE
Biological event - quaternary
Hominids evolve into homosapien