Undercover FBI agent responsible for the assassination of Hitler (April, 1945)

English invent the middle finger salute (circa 1415)

CIA starts Project MKUltra to develop procedures and identify drugs that could be used during interrogations to weaken people and force confessions through brainwashing and psychological torture (April 13, 1953)

Neil deGrasse Tyson (August 2006)

Rare photograph of Leonardo da Vinci and Lisa del Giocondo in 1504

Paul Reubens being caught masturbating in a movie theater [1991]

Hitler and Grynszspan (1938)

Ted Kaczynski writes the Unabomber Manifesto, 1995, colorized

The first successful female to male sex change operation 1959-1960. Preformed by plastic surgeon Dr. S. Woudstra Netherlands.

Stable Diffusion’s first attempt at hallucinating a person (2016)

Britain successfully gets the Chinese public addicted to opium (circa 1839)