What happened 14 October in United States of America

Thomas Edison began serious research into developing a practical incandescent lamp in 1878. Edison filed his first patent application for "Improvement In Electric Lights" on 14 October 1878.

Dwight David Eisenhower was born on October 14, 1890, in Denison, Texas, the third of seven sons born to David J. Eisenhower and Ida Stover.

On October 14, 1912, while campaigning in Milwaukee, Wisconsin, Roosevelt was shot by a saloonkeeper named John Flammang Schrank. The bullet lodged in his chest after penetrating his steel eyeglass case and passing through a thick (50 pages) single-folded copy of the speech titled "Progressive Cause Greater Than Any Individual", which he was carrying in his jacket.

Apple released the iPhone 4S.