20 years ago today, the online video platform YouTube was founded by Steve Chen, Chad Hurley, and Jawed Karim.

20 years ago today, former Prime Minister of Lebanon Rafic Hariri was assassinated along with 21 others in an explosion in Beirut, Lebanon.

55 years ago today, the album Black Sabbath by the heavy metal band Black Sabbath from the United Kingdom was released.

25 years ago today, Charles M. Schulz, an American cartoonist, died. He was the creator of the comic strip Peanuts which features his two best-known characters, Charlie Brown and Snoopy.

25 years ago today, Screamin' Jay Hawkins, an American singer-songwriter, musician, actor, film producer, and boxer, died.

95 years ago today, Mary Quant, a British fashion designer and icon, was born. She was one of the designers who took credit for the miniskirt and hotpants.

375 years ago today, René Descartes, a French philosopher, scientist, and mathematician, died. He is widely considered a seminal figure in the emergence of modern philosophy and science.

670 years ago today, a tavern dispute between students of the University of Oxford and townspeople in Oxford became a riot that left about 90 people dead.

75 years ago today, Mark Spitz, an American former competitive swimmer and nine-time Olympic champion, was born. He was the most successful athlete at the 1972 Summer Olympics in Munich.

20 years ago today, Arthur Miller, an American playwright, essayist and screenwriter in the 20th-century American theater, died.

25 years ago today, the album Supreme Clientele by the rapper Ghostface Killah from NY was released

75 years ago today, Frank McNamara and his attorney, Ralph Schneider, founded Diners Club International, the first independent payment card company in the world, with $1.5 million in initial capital.

300 years ago today, Peter the Great died. He was the Tsar of all Russia from 1682 and the first Emperor of all Russia from 1721 until his death in 1725.

20 years ago today, Hatun Sürücü, a Kurdish-Turkish woman living in Germany, was murdered at the age of 23 in Berlin, by her youngest brother, in an honor killing and sororicide.

185 years ago today, the Treaty of Waitangi was signed. It is a document of central importance to the history of New Zealand, its constitution, and its national mythos.

160 years ago today, Finland established its modern system of secular municipalities, separate from church parishes.

80 years ago today, Bob Marley, a Jamaican singer, songwriter, and guitarist, was born.

20 years ago today, Michalina Wisłocka, a Polish gynecologist, sexologist, and author of Sztuka kochania, died. It was the first guide to sexual life in a communist country.

55 years ago today, Gabrielle Anwar, a British-American actress, was born.

470 years ago today, because he opposed Catholicism, John Rogers was burned at the stake as the first English Protestant executed for heresy under the reign of Mary I.