What Happened on September 13, 1956

Day of the Week: Thursday

Historical Events

  • Dike around Dutch polder Eastern Flevoland closes

Historic InventionIBM 305 RAMAC

IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton
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IBM 305 RAMAC at the U.S. Army Red River Arsenal; foreground: two 350 disk drives; background: 380 console and 305 processing unit
IBM 305 RAMAC at the U.S. Army Red River Arsenal; foreground: two 350 disk drives; background: 380 console and 305 processing unit
  • Stravinsky's "Canticum Sacrum," premieres in Venice

Famous Birthdays

  • Alain Ducasse, French-born Monégasque chef, born in Orthez, France
  • Oribe Canales, Cuban American celebrity hairdresser, born in Havana, Cuba (d. 2018)
  • [Joan] Joni Sledge, American vocalist (Sister Sledge "We are Family"), born in Philadelphia, Pennsylvania (d. 2017)