What Happened on May 21, 1860

Day of the Week: Monday

Famous Birthdays

  • Willam Einthoven, Dutch physiologist/inventor (electrocardiograph)
  • Willem Einthoven, Dutch physiologist (Invented the electrocardiodiogram, awarded Nobel Prize in Medicine 1924), Semarang, Dutch East Indies (d. 1927)

Famous Deaths

  • Johannes Frederick Frohlich, composer, dies at 53