Billboard publishes its first music chart, Sputnik falls to Earth, The Beatles record together for the last time, and Nancy Pelosi becomes the first female speaker of the House, all on this day.
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Public domain
1847: Samuel Colt sells an order of his pistols to the government for the first time, with Capt. Samuel Walker of the Texas Rangers order more than 1,000 of Colt's firearms. The large order allowed Colt to establish a new firearm business.