Month: December 2021

Cosmic Event

21) Cretaceous mass extinction wipes out the dinosaurs

December 21, 2021
Cosmic Event

20) The first flowers

December 20, 2021
Cosmic Event

19) The first birds

December 19, 2021
Cosmic Event

18) The first mammals

December 18, 2021
Cosmic Event

17) Permian-Triassic mass extinction

December 17, 2021
Cosmic Event

16) Forests evolve

December 16, 2021
Cosmic Event

15) The first amphibians emerge onto land

December 15, 2021
Cosmic Event

14) Colonisation of the land by plants and invertebrates

December 14, 2021
Cosmic Event

13) Earth sees herself

December 13, 2021
Cosmic Event

12) The first multicellular life

December 12, 2021