Alexander Fleming and the discovery of penicillin - September 28, - 1928
Alexander Fleming examines a Petri dish in his laboratory, surrounded by a microscope, test tubes, and scientific flasks. This scene evokes the accidental discovery of penicillin in 1928, when he noticed that a mold was preventing the growth of bacteria, paving the way for the first modern antibiotics.
You'll also like these Printable Various Events coloring sheets for adults
Explore major moments in history with this coloring gallery dedicated to historical events. From ancient civilizations to key episodes of the modern world, each drawing offers a fun way to learn while coloring.
First ascent of Everest - 29 May 1953
I Have a Dream speech at the Lincoln Memorial – August 28, 1963
The Storming of the Bastille, French Revolution - July 14, 1789
Joan of Arc at the Stake - 1431
Christopher Columbus discovers America - October 12, 1492
The Declaration of Independence of the United States - July 4, 1776
Thomas Edison and the Invention of the Electric Light Bulb - 1879
Alexander Graham Bell and the Invention of the Telephone - 1876
Louis Pasteur in his laboratory - The father of microbiology
Pierre and Marie Curie and the discovery of radium - December 26, 1898
You'll also like these Printable Science coloring sheets for adults
Discover all the coloring pages matching the keyword Science to Print or Download in PDF for Free
Artemis II Around the Moon - April 1, 2026
Pierre and Marie Curie and the discovery of radium - December 26, 1898
Louis Pasteur in his laboratory - The father of microbiology
Alexander Graham Bell and the Invention of the Telephone - 1876
Thomas Edison and the Invention of the Electric Light Bulb - 1879
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