On This Day

Events in History in April 1947

  • Apr 1 1st Jewish immigrants to Israel disembark at Port of Eilat
  • Apr 2 Carlo Terron's "Il diamente del profeta" premieres in Rome
  • Apr 4 Convention on International Civil Aviation goes into effect
  • Apr 4 Largest group of sunspots on record
  • Apr 4 UN's International Civil Aviation Organization forms

Event of interestEvent of Interest

Apr 6 1st Tony Awards: Arthur Miller, David Wayne & Patricia Neal win for theatrical achievements

Playwright Arthur Miller
Playwright
Arthur Miller
  • Apr 8 Largest recorded sunspot ever observed at 40 times the diameter of Earth
  • Apr 9 Atomic Energy Commission confirmed
  • Apr 9 Tornadoes striking West Texas & Oklahoma kill 169, injuring 1,300
  • Apr 10 King Frederik IX of Denmark crowned
  • Apr 15 Operations begin at Radio Netherlands World radio
  • Apr 16 -17] Explosions & fire on French ship Grandcamp
  • Apr 16 Lens to provide zoom effects demonstrated (NYC)
  • Apr 16 Massive explosion & fire kills 522 in Texas City, Tx
  • Apr 19 AAU record for a 25-foot rope climb is set in 4.7 seconds
  • Apr 19 French ship explodes in Texas City harbor, kills about 522
  • Apr 20 Frederik IX becomes King of Denmark
  • Apr 25 Trial against WW II mayor of Amsterdam Edward Voete begins

Event of interestEvent of Interest

Apr 28 Thor Heyerdahl and the crew of the "Kon-Tiki" sail from Peru to Polynesia

Ethnographer, Archaeologist and Explorer Thor Heyerdahl
Ethnographer, Archaeologist and Explorer
Thor Heyerdahl
  • Apr 30 Boulder Dam renamed in honor of Herbert Hoover