Charles Darwin’s theory of evolution revolutionized the field of biology and challenged prevailing beliefs about the origins of life on Earth. But when exactly was this groundbreaking idea proposed?

The Early Years

Charles Darwin, born in 1809, was always interested in natural history. As a young man, he embarked on a five-year voyage aboard the HMS Beagle, during which he collected specimens and made observations that would later shape his theories.

The Publication of “On the Origin of Species”

It wasn’t until 1859, however, that Darwin published his most famous work: “On the Origin of Species by Means of Natural Selection.” This book presented his theory of evolution through natural selection and caused a significant stir in both scientific and religious circles.

In “On the Origin of Species,” Darwin argued that all species evolved over time through a process he called natural selection. Essentially, this means that organisms with traits beneficial to survival are more likely to pass those traits on to their offspring. Over time, these advantageous traits become more common in a population and can lead to the development of entirely new species.

The Reaction to Darwin’s Theory

Darwin’s theory was met with both praise and criticism. Some scientists hailed it as a major breakthrough in our understanding of life on Earth, while others rejected it outright. Religious leaders also weighed in, with some seeing evolution as a direct challenge to their beliefs about creation.

Despite this initial controversy, Darwin’s ideas have stood the test of time. Today, evolution by natural selection is widely accepted as the mechanism behind the diversity of life we see around us.


So when was Charles Darwin’s theory proposed? While his ideas had been percolating for many years prior to its publication, it wasn’t until 1859 that he presented his theory to the world in “On the Origin of Species.” This book, which presented evolution by natural selection as the driving force behind the development of new species, caused a significant stir at the time but has since become widely accepted as one of the most important scientific works in history.