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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2010: Casey Johnson, a socialite and heiress to the Johnson & Johnson fortune, is found dead at the age of 30 in her West Hollywood, Calif., home. Her death is later ruled the result of diabetic ketoacidosis, stemming from a shortage of insulin.