Evolution Day
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| Evolution Day | |
 The title page of the 1859 edition of On the Origin of Species |
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| Observed by | Various groups and individuals |
|---|---|
| Type | Secular |
| Significance | First publication of The Origin of Species |
| Date | November 24 |
| Celebrations | Various |
| Related to | Darwin Day |
Evolution Day is the anniversary of the first publication of The Origin of Species on November 24, 1859.[1] Also celebrated is Darwin Day which commemorates the birthday of Charles Darwin who established the theory of natural selection which provided for a biological process behind evolution.
The year 2009 will mark the 150th anniversary of the publication of The Origin as well as the 200th anniversary of Darwin's birth.
