The German company Bayer patents aspirin on March 6, 1899. Now the most common drug in household medicine cabinets, acetylsalicylic acid was originally made from a chemical found in the bark of willow trees. In its primitive form, the active ingredient, salicin, was used for centuries in folk medicine, beginning in ancient Greece when Hippocrates used it to relieve pain and fever. Known to doctors since the mid-19th century, it was used sparingly due to its unpleasant taste and tendency to damage the stomach.

The amateur bandit Pearl Hart and her boyfriend hold up an Arizona stagecoach on May 30, 1899.

On July 21, 1899, Ernest Miller Hemingway, author of such novels as “For Whom the Bell Tolls” and “The Old Man and the Sea,” is born in Oak Park, Illinois. The influential American literary icon became known for his straightforward prose and use of understatement. Hemingway, who tackled topics such as bullfighting and war in his work, also became famous for his own macho, hard-drinking persona.

On August 15, 1899, in Detroit, Michigan, Henry Ford resigns his position as chief engineer at the Edison Illuminating Company’s main plant in order to concentrate on automobile production.

The South African Boer War begins between the British Empire and the Boers of the Transvaal and Orange Free State.