My Favorite Eras
ErasEvents
Mesozoic
251 to 65.5 mya
Evolutionary split between reptiles and dinosaurs 235 mya
South America breaks away from Africa 105 mya
Cenozoic
65.5 mya to today
Modern mammals appear 40 mya
Tool-making humanoids appear2 mya
First Rolling Stones reunion tour 11,000 years ago