These pictures remind us of horrible moments throughout history
A Spanish flu outbreak spread all over the world in 1918 and claimed the lives of more than 100 million people.
This is a picture of HMS Daphne (1986), a British ship involved in the slave trade at the Atlantic.
Hans-Georg Henke, the youngster pictured here, was part of the Hitler Youth. Germany was about to surrender when this picture was taken.
William Saunders took this picture of a fake beheading in China. The picture was so convincing that it made the British invade China with the purpose of making it more civilized.
Locking people up was popular a couple of centuries ago in Mongolia. This picture was published by National Geographic.
This picture was taken during a large famine in Ukraine in 1933. Those are dead bodies in the street.
This picture was taken by James Nachtwey in 1993 when he was visiting a feeding center in Sudan. It's absolutely hear-breaking.