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Age of the Universe: 13.77 Billion Years
Age of the Milky Way: 13.6 Billion Years
Age of the Sun: 4.57 Billion Years
Age of Earth: 4.54 Billion Years
RNA on Earth: 4 Billion Years
Prokaryotes on Earth: 3.8 Billion Years
Photosynthesis on Earth: 2.8 Billion Years
Eukaryotes on Earth: 2.1 Billion Years
Sexual Reproduction on Earth: 1.2 Billion Years
Multicellular life on Earth: 1.5 Billion Years
Cambrian explosion on Earth: 570-530 Million Years
Arthropods on Earth: 570 Million Years
First animal footprints on land: 530 Million Years
Plants move on to land: 434 Million Years
Meet Tiktaalik roseae, the transitional fossil fish with a neck: 375 Million Years
Dinosaurs and mammals on the scene: 225 Million Years
Tyrannosaurus Rex roars: 68 Million Years
Cretaceous–Paleogene extinction event (bye bye Dinosaurs, make room for more mammals): 65.5 Million Years
Earliest primate ancestor: 55 Million Years
New World monkeys (long tails) and Catarrhini: 30 Million Years
Catarrhini splits in to Old World monkeys and apes (Hominoidae): 25 Million Years
Proconsul, one of the earliest monkey to ape transitional fossils: 21 Million Years
Hominoidae splits in to Great Apes and Lesser Apes: 15 Million Years
Speciation within Great Apes launches lines toward gorillas (10 Million Years), and our common ancestor with chimpanzees (7 Million Years)
Strong evidence for bipedalism in Australopithecus afarensis (3.7 Million Years)
First stone tools (2.6 Million Years)
Homo habilis, the earliest of our ancestors to show a significant increase in brain size and also the first to be found associated with stone tools
Homo erectus (aka Homo ergaster) (1.8 Million Years)
Homo ergaster controls fire (1.5 Million Years)
Homo heidelbergensis leaves footprints in Italy (385 Thousand Years)
Homo sapiens (200 Thousand Years)
Homo sapiens leave Africa (100 Thousand Years)
Homo sapiens arrive in Australia (50 Thousand Years)
Neanderthal extinct (40 Thousand Years)
Homo sapiens become last man standing (12 Thousand Years)
Agricultural society develops (10 Thousand Years)
The Epic of Gilgamesh, the oldest story ever written by humans, is jotted down in Mesopotamia (4,150 Years)
The age of the universe is estimated by Homo sapiens using the WMAP satellite (6 Years)
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When was it that a human left a footprint inside a dinosaur footprint? Sometime in the 50’s?
When was it that a human left a footprint inside a dinosaur footprint? Sometime in the 50's?I don't know. I'll have to look at those old Flintstone episodes.
I think it was in the 1950s. Been awhile since I stopped by Glen Rose, TX, to look at the footprints. I heard they have a life-size wax figure of Tom Landry in the lobby.
Ryanbays forgot one.
IQ of Ken Ham. 75 on a good day.