(All dates are +/- 2.5 billion years.)
- A.D. 1215: Mega Fauna force King John to sign Magna Carta
- A.D. 1304: Plate armor introduced; Velociraptor hunted to extinction.
- A.D. 1324: T. Rex becomes most popular Mongol Barbecue item after Golden Horde discovers gunpowder.
- A.D. 1384: Dante describes Medieval Warm period in Inferno, his account of a field trip to the core-mantle boundary.
- A.D. 1444: Flowering plants appear; War of the Roses commences.
Deep Time Made Simple (Adamant, via Pharyngula)