How did the world fight with 10% of the population? 

That's how many people on Earth are left-handed. Among them is a military leader. Alexander the Great, inventor Nicola Tesla, artist Pablo Picasso, actress Angelina Jolie and a rapper Eminem.

On August 13, the world celebrates International Left-Handers Day. In the 21st century, buying a pair of scissors or a guitar for a left-handed person is a matter of a few clicks. However, just a few decades ago, being left-handed meant daily humiliation, physical pain, and accusations of inferiority.

Why has left-handedness inspired fear for centuries, how were Soviet schoolchildren broken, and why was it only in 1986 that this practice was recognized as dangerous to the psyche? We'll tell you in flashcards!