On this day: January 7

Posted: 5:29 AM EST Jan 05, 2013   Updated: 2:00 AM EST Jan 07, 2015

Galileo spots some of Jupiter's moons, the Harlem Globetrotters play their first game, Truman announces the development of the H-bomb, and President Clinton's impeachment trial begins, all on this day.

OTD January 7 - Katy Perry
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Capitol Records

2012: Katy Perry's album "Teenage Dream" becomes the first album in history to have seven songs from the same album reach No. 1 on the Billboard Hot Dance Club Songs chart. This was official as soon as the single "The One That Got Away" hit No. 1. The previous six singles to reach No. 1 on the chart were "California Gurls," "Teenage Dream," "Peacock," "Firework," "E.T." and "Last Friday Night (T.G.I.F.)."


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On this Day

  • Ford assembly line in 1913

    Public domain

    On this day: December 1

    Dr Pepper is served for the first time, Ford introduces the first moving assembly line, Rosa Parks refuses to move to the back of the bus, and TWA completes its last flight, all on this day.