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You may change these values to reflect the roll of t.p. you are using
1000 total sheets4 in. per sheet10 cm. per sheet
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Eventyrs before presentsheets inchescentimeters
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Present 0.000 sheets.00 in. .00 cm.
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Modern man10,000.002 sheets.01 in. .02 cm.
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Neanderthal man100,000.022 sheets.09 in. .22 cm.
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First use of fire500,000.109 sheets.43 in.1 .10 cm.
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Homo erectus1,300,000.283 sheets1.13 in.2 .87 cm.
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Linking of North and South America1,500,000.326 sheets1.30 in.3 .31 cm.
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Oldest stone tools1,600,000.348 sheets1.39 in.3 .53 cm.
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Beginning of Quaternary period (end Tertiary/Neogene)
1,800,000.391 sheets1.57 in.3 .98 cm.
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Australopithecus3,000,000.652 sheets2.61 in.6 .63 cm.
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Beginning of Antarctic ice caps10,000,0002.174 sheets8.70 in.22 .09 cm.
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Opening of Red Sea10,000,0002.174 sheets8.70 in.22 .09 cm.
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Beginning of Tertiary/Neogene period (end Paleogene)
23,000,0005.000 sheets20.00 in.50 .80 cm.
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First evidence of ice at the poles25,000,0005.435 sheets21.74 in.55 .22 cm.
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Collision of India with Asia40,000,0008.696 sheets34.78 in.88 .35 cm.
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Start of global cooling (to present day)40,000,0008.696 sheets34.78 in.88 .35 cm.
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Early horses50,000,00010.870 sheets43.48 in.110 .43 cm.
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Separation of Australia and Antarctica50,000,00010.870 sheets43.48 in.110 .43 cm.
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Early primates57,000,00012.391 sheets49.57 in.125 .90 cm.
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Alps form60,000,00013.043 sheets52.17 in.132 .52 cm.
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Beginning of Tertiary/Paleogene period (recent life)
65,000,00014.130 sheets56.52 in.143 .57 cm.
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Dinosaurs became extinct 65,000,00014.130 sheets56.52 in.143 .57 cm.
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Rocky Mountains form80,000,00017.391 sheets69.57 in.176 .70 cm.
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Cretaceous Period begins (Jurassic ends)140,000,00030.435 sheets121.74 in.309 .22 cm.
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Early flowering plants 150,000,00032.609 sheets130.43 in.331 .30 cm.
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Early birds and mammals180,000,00039.130 sheets156.52 in.397 .57 cm.
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Opening of Atlantic Ocean200,000,00043.478 sheets173.91 in.441 .74 cm.
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Jurassic Period begins (end Triassic)208,000,00045.217 sheets180.87 in.459 .41 cm.
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First dinosaurs215,000,00046.739 sheets186.96 in.474 .87 cm.
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Triassic Period begins245,000,00053.261 sheets213.04 in.541 .13 cm.
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Final assembly of Pangaea280,000,00060.870 sheets243.48 in.618 .43 cm.
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Beginning of Permian period (end Carboniferous/Pennsylvanian)
286,000,00062.174 sheets248.70 in.631 .69 cm.
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Early trees, formation of coal deposits318,000,00069.130 sheets276.52 in.702 .37 cm.
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Beginning of Carboniferous/Pennsylvanian period (end Mississippian)
320,000,00069.565 sheets278.26 in.706 .78 cm.
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First reptiles 340,000,00073.913 sheets295.65 in.750 .96 cm.
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Beginning of Carboniferous/Mississippian period (end Devonian)
360,000,00078.261 sheets313.04 in.795 .13 cm.
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First insects400,000,00086.957 sheets347.83 in.883 .48 cm.
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Beginning of Devonian period (end Silurian)408,000,00088.696 sheets354.78 in.901 .15 cm.
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Beginning of Silurian period (end Ordovician)440,000,00095.652 sheets382.61 in.971 .83 cm.
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Early land plants 450,000,00097.826 sheets391.30 in.993 .91 cm.
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Early fish490,000,000106.522 sheets426.09 in.1082 .26 cm.
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Beginning of Ordovician period (end Cambrian)510,000,000110.870 sheets443.48 in.1126 .43 cm.
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Early shelled organisms544,000,000118.261 sheets473.04 in.1201 .53 cm.
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Beginning of Cambrian period (end of Precambrian time) - rise of multicellular organisms544,000,000118.261 sheets473.04 in.1201 .53 cm.
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Beginning of Paleozoic (ancient life) Era 544,000,000118.261 sheets473.04 in.1201 .53 cm.
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Beginning of Phanerozoic (visible life) Eon (end Proterozoic)
544,000,000118.261 sheets473.04 in.1201 .53 cm.
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Early multicelled organisms700,000,000152.174 sheets608.70 in.1546 .09 cm.
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Breakup of early supercontinent800,000,000173.913 sheets695.65 in.1766 .96 cm.
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First known animals 1,200,000,000260.870 sheets1043.48 in.2650 .43 cm.
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Formation of early supercontinent (Rodinia)1,400,000,000304.348 sheets1217.39 in.3092 .17 cm.
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Beginning of Proterozoic (earlier life) Eon (end Archeon)
2,500,000,000543.478 sheets2173.91 in.5521 .74 cm.
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Buildup of free oxygen in atmosphere2,700,000,000586.957 sheets2347.83 in.5963 .48 cm.
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Early bacteria & algae3,400,000,000739.130 sheets2956.52 in.7509 .57 cm.
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Oldest known Earth rocks 3,960,000,000860.870 sheets3443.48 in.8746 .43 cm.
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Beginning of Archeon Eon4,000,000,000869.565 sheets3478.26 in.8834 .78 cm.
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Formation of Earth's atmosphere4,200,000,000913.043 sheets3652.17 in.9276 .52 cm.
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Formation of the Moon4,500,000,000978.261 sheets3913.04 in.9939 .13 cm.
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Precambrian time begins4,600,000,0001000.000 sheets4000.00 in.10160 .00 cm.
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Origin of earth 4,600,000,0001000.000 sheets4000.00 in.10160 .00 cm.
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