Historical Events on July 15, 1940

About Jul 15, 1940

Day of the Week: Monday
How Long Ago? 78 years, 3 months and 7 days

Historical Events

  • 1st betatron placed in operation, Urbana, Illnois
  • Nazi occupiers seize library of IISG Amsterdam
  • Physicist Donald Kerst becomes the first person to accelerate electrons using electromagnetic induction, reaching energies of 2.3 MeV, when his betatron device (for particle acceleration) becomes operational