1400s - The matchlock gun appears. Before the matchlock ... 1830 - The back action lock appears. 1835 - The first Colt revolver. Samuel Colt developed the first mass-produced, multi-shot ...

This gun was named for its inventor, Samuel Colt, a native of Hartford, Connecticut, who as a young man designed the world's first revolving-breech pistol. Before Colt came along, most pistols ...

Feb. 25 (UPI) --On this date in history: In 1791, the First Bank of the U.S. at Philadelphia became the first national bank chartered by Congress. In 1836, Samuel Colt patented a "revolving gun ...