|
Big Bang |
January 1 |
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Origin of Milky Way Galaxy |
May 1 |
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Origin of the solar system |
September 9 |
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Formation of the Earth |
September 14 |
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Origin of life on Earth |
~ September 25 |
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Formation of the oldest rocks known on Earth |
October 2 |
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Date of oldest fossils (bacteria and blue-green algae) |
October 9 |
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Invention of sex (by microorganisms) |
~ November 1 |
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Oldest fossil photosynthetic plants |
November 12 |
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Eukaryotes (first cells with nuclei) flourish |
November 15 |
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Sunday |
Monday |
Tuesday |
Wednesday |
Thursday |
Friday |
Saturday |
|---|---|---|---|---|---|---|
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1 Significant oxygen atmosphere begins to develop on Earth. |
2 |
3 |
4 |
5 Extensive vulcanism and channel formation on Mars. |
6 |
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7
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8 |
9 |
10 |
11 |
12 |
13 |
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14
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15 |
16 First Worms. |
17 Precambrian ends. Paleozoic Era and Cambrian Period begin. Invertebrates flourish. |
18 First oceanic plankton. Trilobites flourish. |
19 Ordovician Period. First fish, first vertebrates. |
20 Silurian Period. First vascular plants. Plants begin colonization of land. |
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21 Devonian Period begins. First insects. Animals begin colonization of land.
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22 First amphibians. First winged insects. |
23 Carboniferous Period. First trees. First reptiles. |
24 Permian Period begins. First dinosaurs. |
25 Paleozoic Era ends. Mesozoic Era Begins. |
26 Triassic Period. First mammals. |
27 Jurassic Period. First birds. |
|
28 Cretaceous Period. First flowers. Dinosaurs become extinct.
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29 Mesozoic Era ends. Cenozoic Era and Tertiary Period begin. First cetaceans. First primates. |
30 First evolution of frontal lobes in the brains of primates. First hominids. Giant mammals flourish. |
31 End of Pliocene Period. Quaternary (Pleistocene and Holocene) Period. First humans. |
|
Origin of Proconsul and Ramapithecus, probable ancestors of apes and men |
~ 1:30 p.m. |
|
First humans |
~ 10:30 p.m. |
|
Widespread use of stone tools |
11:00 p.m. |
|
Domestication of fire by Peking man |
11:46 p.m. |
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Beginning of most recent glacial period |
11:56 p.m. |
|
Seafarers settle Australia |
11:58 p.m. |
|
Extensive cave painting in Europe |
11:59 p.m. |
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Invention of agriculture |
11:59:20 p.m. |
|
Neolithic civilization; first cities |
11:59:35 p.m. |
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First dynasties in Sumer, Ebla and Egypt; development of astronomy |
11:59:50 p.m. |
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Invention of the alphabet; Akkadian Empire |
11:59:51 p.m. |
|
Hammurabic legal codes in Babylon; Middle Kingdom in Egypt |
11:59:52 p.m. |
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Bronze metallurgy; Mycenaean culture; Trojan War; Olmec culture; invention of the compass |
11:59:53 p.m. |
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Iron metallurgy; First Assyrian Empire; Kingdom of Israel; founding of Carthage by Phoenicia |
11:59:54 p.m. |
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Asokan India; Ch'in Dynasty China; Periclean Athens; birth of Buddha |
11:59:55 p.m. |
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Euclidean geometry; Archimedean physics; Ptolemaic astronomy; Roman Empire; birth of Christ |
11:59:56 p.m. |
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Zero and decimals invented in Indian arithmetic; Rome falls; Moslem conquests |
11:59:57 p.m. |
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Mayan civilization; Sung Dynasty China; Byzantine empire; Mongol invasion; Crusades |
11:59:58 p.m. |
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Renaissance in Europe; voyages of discovery from Europe and from Ming Dynasty China; emergence of the experimental method in science |
11:59:59 p.m. |
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Widespread development of science and technology; emergence of global culture; acquisition of the means of self-destruction of the human species; first steps in spacecraft planetary exploration and the search of extraterrestrial intelligence |
Now: The first second of New Year's Day |
Mirrored from http://www.hk.super.net/~paulchui/cosmic.html