MORE EVENTS ON THIS DAY

2018: English theoretical physicist Stephen Hawking , who was best known for his work on the physics of black holes and for the book A Brief History of Time: From the Big Bang to Black Holes (1988), died at age 76. [Sort fact from fiction in our quiz about the galaxies and the Milky Way.]

1879: German American physicist Albert Einstein , one of the most creative intellects in human history, known for his groundbreaking theories of relativity, was born in Ulm, Germany. [Watch an overview of Alfred Einstein's life and career.]

1794: American inventor Eli Whitney received a patent for the cotton gin. [ Test your knowledge of inventors and their inventions.]

2016: English composer and conductor Sir Peter Maxwell Davies, whose powerfully innovative music made him one of the most influential composers of the 20th century, died in the Orkney Islands, Scotland. [Discover how much you know about composers and their music.]

1964: In the first courtroom verdict to be televised in the United States, Jack Ruby was found guilty of the murder of Lee Harvey Oswald, assassin of U.S. President John F. Kennedy. [ Read about nine infamous assassins and the world leaders they dispatched.]

1951: United Nations forces recaptured Seoul during the Korean War. [Sort fact from fiction in our quiz about Korea.]