:Template:Nature timeline
| bodyclass=nomobile
| help=off
| link-to=Nature timeline
| scale-increment=1.000
| scaling=pow
| power=0.75
| plot-colour=#e5cc7f
| label-freq=1
| from=-13.787
| to=0
| height=50
| width=13
| annotations-width=8.8
| disable-arrow-align=true
| disable-box-align=true
| title=Chronology of the universe
| bar1-from=-13.787
| bar1-to=-13.650
| bar1-text= Dark Ages
| bar1-colour=#000000
| bar1-left=0
| bar1-nudge-left=-0.6
| bar1-nudge-down=-0.3
| bar2-from=-13.650
| bar2-to=-12.80
| bar2-text=Reionization
| bar2-colour=#555555
| bar2-left=0
| bar2-nudge-left=-0.5
| bar2-nudge-down=-0.5
| bar3-from=-12.800
| bar3-to=-4.54
| bar3-left=0
| bar3-colour=#666666
| bar3-text= Matter-dominated
era
| bar3-nudge-left=-0.5
| bar3-nudge-down=-1.7
| bar5-from=-4.4
| bar5-text=Water on Earth
| bar5-colour=#7aa3cc
| bar5-left=0.0
| bar5-nudge-right=0.75
| bar5-nudge-down=9.5
| bar6-from=-3.7
| bar6-text=Life
| bar6-colour=#b3d9ff
| bar6-left=0.07
| bar6-nudge-right=0.5
| bar6-nudge-down=5.4
| bar8-from=-1.56
| bar8-text=Multicellular
life
| bar8-colour=#b3ffdb
| bar8-left=0.14
| bar8-nudge-down=2.0
| bar9-from=-0.520
| bar9-to=0
| bar9-text=Vertebrates
| bar9-colour=#cc9900
| bar9-left=0.21
| bar9-nudge-left=0.0
| bar9-nudge-down=0.0
| note2-at=-13.6
| note2=Earliest stars
| note2-nudge-down=0.25
| note3-at=-13.457
| note3=Earliest galaxy
| note3-nudge-up=0.2
| note4-at=-13.1
| note4={{nobr|Earliest quasar / black hole}}
| note4-nudge-up=0.3
| note5-at=-11.52
| note5=Omega Centauri
| note6-at=-10.0
| note6=Andromeda Galaxy
| note7-at=-8.8
| note7=Milky Way spirals
| note8-at=-6.8
| note8=NGC 188 star cluster
| note9-at=-5.5
| note9=Alpha Centauri
| note10-at=-5
| note10=Accelerated expansion
| note11-at=-4.568
| note11=Earth / Solar System
| note13-at=-3.480
| note13=Earliest known life
| note15-at=-2.450
| note15=Atmospheric oxygen
| note16-at=-2.000
| note16=Sexual reproduction
| note18-at=-1.350
| note18=Earliest fungi
| note19-at=-0.470
| note19=Earliest land plants
| note19-nudge-up=0.1
| note20-at=-0.539
| note20=Cambrian explosion
| note20-nudge-down=0.4
| note21-at=-0.310
| note21=Earliest mammals
| note22-at=-0.017
| note22=Earliest apes / humans
| caption={{align|left|(billion years ago)}}
}}
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