<timeline>
# All measures are in pixelsPreset = TimeHorizontal_AutoPlaceBars_UnitYearImageSize = width:160 height:550PlotArea = left500 barincrement:50 right:0 bottom:10 top:10AlignBars = justify DateFormat = yyyyPeriod = from:1919 0 till:199112BarData=TimeAxis = orientationbar:verticalaScaleMajor = unit bar:year increment:5 startb bar:1920 # there is no automatic collision detection,# so shift texts up or down manually to avoid overlapcDefine $dx s = 25 # shift text to right side of barfontsize:XLBackgroundColors = canvas:white
PlotData=
bar:Leaders color:red width:25 mark:(line,white) align:left fontsize:S20 from:start till:1922 shift:($dx45,15-5) textbar:Vladimir~Ilyich~[[Lenin]] a from:1922 3 till:1953 shift:(4 $dx,5) s text:[[Stalinhttp://en.wikipedia.org/wiki/Leiden|Josef~Stalin]Leiden] bar:a from:1953 6 till:1964 shift:(7 $dx,5) s text:Nikita~[[Khrushchev]http://en.wikipedia.org/wiki/Alphen%20aan%20den%20Rijn|Alphen aan den Rijn] frombar:1964 b till:1982 shift:($dx,5) text:Leonid~[[Brezhnev]] from:1982 1 till:1984 shift:(2 $dx,-12) s text:Yuri~[[Andropov]http://en.wikipedia.org/wiki/The%20Hague|The Hague] frombar:1984 c till:1985 shift:($dx,4) text:Konstantin~[[Chernenko]] fontsize:XS from:1985 3 till:end shift:(4 $dx,10) s text:Mikhail~[[Gorbachevhttp://en.wikipedia.org/wiki/Rotterdam|Rotterdam]]
</timeline>
# All measures are in pixels
ImageSize = width:160 height:550
PlotArea = left:50 right:0 bottom:10 top:10
AlignBars = justify
DateFormat = yyyy
Period = from:1919 till:1991
TimeAxis = orientation:vertical
ScaleMajor = unit:year increment:5 start:1920
# there is no automatic collision detection,
# so shift texts up or down manually to avoid overlap
Define $dx = 25 # shift text to right side of bar
PlotData=
bar:Leaders color:red width:25 mark:(line,white) align:left fontsize:S
from:start till:1922 shift:($dx,15) text:Vladimir~Ilyich~[[Lenin]]
from:1922 till:1953 shift:($dx,5) text:[[Stalin|Josef~Stalin]]
from:1953 till:1964 shift:($dx,5) text:Nikita~[[Khrushchev]]
from:1964 till:1982 shift:($dx,5) text:Leonid~[[Brezhnev]]
from:1982 till:1984 shift:($dx,-12) text:Yuri~[[Andropov]]
from:1984 till:1985 shift:($dx,4) text:Konstantin~[[Chernenko]] fontsize:XS
from:1985 till:end shift:($dx,10) text:Mikhail~[[Gorbachev]]
</timeline>
</td>
<td> </td>
<td valign=top>
<timeline>
ImageSize = width:800 height:100
PlotArea = left:65 right:15 bottom:20 top:5
AlignBars = justify
Colors =
id:neogene value:rgb(0.99215,0.8,0.54)
id:paleogene value:rgb(1,0.7019,0)
id:cretaceous value:rgb(0.5,0.764,0.1098)
id:jurassic value:rgb(0.302,0.706,0.5)
id:triassic value:rgb(0.403,0.765,0.716)
id:permian value:rgb(0.404,0.776,0.867)
id:carboniferous value:rgb(0.6,0.741,0.855)
id:devonian value:rgb(0.6,0.6,0.788)
id:silurian value:rgb(0.694,0.447,0.714)
id:ordovician value:rgb(0.976,0.506,0.651)
id:cambrian value:rgb(0.984,0.5,0.373)
id:neoproterozoic value:rgb(0.792,0.647,0.583)
id:mesoproterozoic value:rgb(0.867,0.761,0.533)
id:paleoproterozoic value:rgb(0.702,0.698,0.369)
id:eoarchean value:rgb(0.5,0.565,0.565)
id:paleoarchean value:rgb(0.6,0.592,0.569)
id:mesoarchean value:rgb(0.698,0.65,0.6)
id:neoarchean value:rgb(0.796,0.804,0.784)
id:ediacaran value:rgb(0.918,0.847,0.737)
id:cryogenian value:rgb(0.863,0.671,0.667)
id:tonian value:rgb(0.796,0.643,0.424)
id:stratherian value:rgb(1,1,0.8) # light yellow
id:calymmian value:rgb(1,1,0.8) # light yellow
id:orosirian value:rgb(1,1,0.8) # light yellow
id:rhyacian value:rgb(1,1,0.8) # light yellow
id:siderian value:rgb(1,1,0.8) # light yellow
id:ectasian value:rgb(1,1,0.8) # light yellow
id:stenian value:rgb(1,1,0.8) # light yellow
id:cenozoic value:rgb(1,1,0)
id:mesozoic value:rgb(0.5,0.6784,0.3176)
id:paleozoic value:rgb(0.5,0.7098,0.835)
id:phanerozoic value:rgb(0.7019,0.886,0.819)
id:proterozoic value:rgb(0.8,0.85,0.568)
id:archean value:rgb(0.6,0.6784,0.6745)
id:hadean value:rgb(0.4,0.4,0.4)
id:black value:black
id:white value:white
Period = from:-4567.17 till:0
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:500 start:-4500
ScaleMinor = unit:year increment:100 start:-4500
Define $markred = text:"*" textcolor:red shift:(0,3) fontsize:10
PlotData=
align:center textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)
bar:eon
at: 0 align:right $markred
at: -542 align:left $markred shift:(2,3)
from: -542 till: 0 text:[[Phanerozoic]] color:phanerozoic
from:-2500 till: -542 text:[[Proterozoic]] color:proterozoic
from:-3800 till: -2500 text:[[Archean]] color:archean
from: start till: -3800 text:[[Hadean]] color:hadean
bar:era
from: -65.5 till: 0 text:[[Cenozoic|C~z]] shift:(0,1.5) color:cenozoic
from: -251 till: -65.5 text:[[Mesozoic|Meso~zoic]] shift:(0,1.5) color:mesozoic
from: -542 till: -251 text:[[Paleozoic|Paleo~zoic]] shift:(0,1.5) color:paleozoic
from: -1000 till: -542 text:[[Neoproterozoic|Neoprote-~rozoic]] shift:(0,1.8) color:neoproterozoic
from:-1600 till: -1000 text:[[Mesoproterozoic]] color:mesoproterozoic
from:-2500 till: -1600 text:[[Paleoproterozoic]] color:paleoproterozoic
from:-2800 till: -2500 text:[[Neoarchean|Neo-~archean]] shift:(0,1.5) color:neoarchean
from:-3200 till: -2800 text:[[Mesoarchean|Meso-~archean]] shift:(0,1.5) color:mesoarchean
from:-3600 till: -3200 text:[[Paleoarchean|Paleo-~archean]] shift:(0,1.5) color:paleoarchean
from:-3800 till: -3600 text:[[Eoarchean|Eoar-~chean]] shift:(0,0.5) color:eoarchean fontsize:6
from:start till: -3800 color:white
bar:period
fontsize:6
from: -23.03 till: 0 color:neogene
from: -65.5 till: -23.03 color:paleogene
from: -145.5 till: -65.5 color:cretaceous
from: -199.6 till: -145.5 color:jurassic
from: -251 till: -199.6 color:triassic
from: -299 till: -251 color:permian
from: -359.2 till: -299 color:carboniferous
from: -416 till: -359.2 color:devonian
from: -443.7 till: -416 color:silurian
from: -488.3 till: -443.7 color:ordovician
from: -542 till: -488.3 color:cambrian
from: -630 till: -542 text:[[Ediacaran|Ed.]] color:ediacaran
from: -850 till: -630 text:[[Cryogenian|Cryo-~genian]] color:cryogenian shift:(0,0.5)
from: -1000 till: -850 text:[[Tonian|Ton-~ian]] color:tonian shift:(0,0.5)
from: -1200 till: -1000 text:[[Stenian|Ste-~nian]] color:mesoproterozoic shift:(0,0.5)
from: -1400 till: -1200 text:[[Ectasian|Ect-~asian]] color:mesoproterozoic shift:(0,0.5)
from: -1600 till: -1400 text:[[Calymmian|Calym-~mian]] color:mesoproterozoic shift:(0,0.5)
from: -1800 till: -1600 text:[[Statherian|Stath-~erian]] color:paleoproterozoic shift:(0,0.5)
from: -2050 till: -1800 text:[[Orosirian|Oro-~sirian]] color:paleoproterozoic shift:(0,0.5)
from: -2300 till: -2050 text:[[Rhyacian|Rhy-~acian]] color:paleoproterozoic shift:(0,0.5)
from: -2500 till: -2300 text:[[Siderian|Sid-~erian]] color:paleoproterozoic shift:(0,0.5)
from: start till: -2500 color:white
</timeline>
<timeline>
ImageSize = width:800 height:100
PlotArea = left:65 right:15 bottom:20 top:5
AlignBars = justify
Colors =
id:neogene value:rgb(0.99215,0.8,0.54)
id:paleogene value:rgb(1,0.7019,0)
id:cretaceous value:rgb(0.5,0.764,0.1098)
id:jurassic value:rgb(0.302,0.706,0.5)
id:triassic value:rgb(0.403,0.765,0.716)
id:permian value:rgb(0.404,0.776,0.867)
id:carboniferous value:rgb(0.6,0.741,0.855)
id:devonian value:rgb(0.6,0.6,0.788)
id:silurian value:rgb(0.694,0.447,0.714)
id:ordovician value:rgb(0.976,0.506,0.651)
id:cambrian value:rgb(0.984,0.5,0.373)
id:cenozoic value:rgb(1,1,0)
id:mesozoic value:rgb(0.5,0.6784,0.3176)
id:paleozoic value:rgb(0.5,0.7098,0.835)
id:phanerozoic value:rgb(0.7019,0.886,0.819)
id:black value:black
id:white value:white
id:darkgreen value:rgb(0,0.35,0)
Period = from:-542 till:0
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:100 start:-500
ScaleMinor = unit:year increment:10 start:-540
Define $markred = text:"*" textcolor:red shift:(0,3) fontsize:10
Define $markgreen = text:"*" textcolor:darkgreen shift:(0,3) fontsize:10
PlotData=
align:center textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)
bar:eon
at: 0 align:right $markred
at: -542 align:left $markred shift:(2,3)
from: -542 till: 0 text:[[Phanerozoic]] color:phanerozoic
bar:era
at: 0 align:right $markgreen
at: -65.5 align:left $markgreen shift:(2,3)
from: -65.5 till: 0 text:[[Cenozoic]] color:cenozoic
from: -251 till: -65.5 text:[[Mesozoic]] color:mesozoic
from: -542 till: -251 text:[[Paleozoic]] color:paleozoic
bar:period fontsize:8
from: -23.03 till: 0 text:[[Neogene|Neo-~gene]] shift:(0,0.5) color:neogene
from: -65.5 till: -23.03 text:[[Paleogene|Paleo-~gene]] shift:(0,0.5) color:paleogene
from: -145.5 till: -65.5 text:[[Cretaceous]] color:cretaceous
from: -199.6 till: -145.5 text:[[Jurassic]] color:jurassic
from: -251 till: -199.6 text:[[Triassic]] color:triassic
from: -299 till: -251 text:[[Permian]] color:permian
from: -359.2 till: -299 text:[[Carboniferous]] color:carboniferous
from: -416 till: -359.2 text:[[Devonian]] color:devonian
from: -443.7 till: -416 text:[[Silurian|Sil-~urian]] shift:(0,0.5) color:silurian
from: -488.3 till: -443.7 text:[[Ordovician]] color:ordovician
from: -542 till: -488.3 text:[[Cambrian]] color:cambrian
</timeline>
<timeline>
ImageSize = width:800 height:100
PlotArea = left:65 right:15 bottom:20 top:5
AlignBars = justify
Colors =
id:neogene value:rgb(0.99215,0.8,0.54)
id:paleogene value:rgb(1,0.7019,0)
id:cenozoic value:rgb(1,1,0)
id:holocene value:rgb(1,1,0.702)
id:pleistocene value:rgb(1,0.922,0.384)
id:pliocene value:rgb(1,0.922,0.675)
id:miocene value:rgb(1,0.871,0)
id:oligocene value:rgb(0.918,0.776,0.447)
id:eocene value:rgb(0.918,0.678,0.263)
id:paleocene value:rgb(0.92,0.576,0.005)
id:black value:black
id:white value:white
id:darkgreen value:rgb(0,0.35,0)
Period = from:-65.5 till:0
TimeAxis = orientation:horizontal
ScaleMajor = unit:year increment:10 start:-60
ScaleMinor = unit:year increment:1 start:-65
Define $markgreen = text:"*" textcolor:darkgreen shift:(0,3) fontsize:10
PlotData=
align:center textcolor:black fontsize:8 mark:(line,black) width:25 shift:(0,-5)
bar:era
at: 0 align:right $markgreen
at: start align:left $markgreen shift:(2,3)
from:start till: 0 text:[[Cenozoic]] color:cenozoic
bar:period
from: -23.03 till: 0 text:[[Neogene]] color:neogene
from:start till: -23.03 text:[[Paleogene]] color:paleogene
bar:epoch
from: -0.1 till: 0 color:holocene
from: -1.806 till: -0.1 text:[[Pleistocene|P]] color:pleistocene
from: -5.332 till: -1.806 text:[[Pliocene|Plio-~cene]] shift:(0,1) color:pliocene fontsize:7
from:-23.03 till: -5.332 text:[[Miocene]] color:miocene
from:-33.9 till:-23.03 text:[[Oligocene]] color:oligocene
from:-55.8 till:-33.9 text:[[Eocene]] color:eocene
from:start till:-55.8 text:[[Paleocene]] color:paleocene
</timeline>
</td></tr>
<tr><td colspan=3 align=left>{{Wikimedia Growth}}</td></tr>
</table>
