Video from toldinstone
"The Library of Alexandria was one of the most important known libraries in history, where much of the knowledge of the ancient world was collected and produced. In addition, it has inspired the university models we have today, as well as housing the world’s first medical school...The library was built in the heart of the ancient city of Alexandria, Egypt, and was founded in the 3rd century BC by Ptolemy II, one of Alexander the Great’s successors.
This site, which served as the research center and largest collection of history and ancient science, was destroyed by a fire, which brought with it great information and knowledge of humanity.
Learn now a little about the treasures in the Library of Alexandria, and what we lost with their destruction." from the article: What Did Humanity Lose In The Library Of Alexandria Fire?