Similar to スノーボールアース

Postglacial

Little Ice Age

Huronian glaciation

Marinoan glaciation

Extinction event

Cenomanian-Turonian boundary event

Late Devonian mass extinction

Late Ordovician mass extinction

Anoxic event

Cretaceous–Paleogene boundary

Middle Maastrichtian Event

Triassic–Jurassic extinction event

Cretaceous–Paleogene extinction event

Permian–Triassic extinction event

Late Heavy Bombardment

Cataclysmic pole shift hypothesis

Rare Earth hypothesis

15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B

Panzer I

Sturmgeschütz III