What was the first successful transatlantic radio message about?

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Source:

  • Choice "A": A weather report % of users selected this choice.
  • Choice "B": "S" in Morse code % of users selected this choice.
  • Choice "C": A navigation report % of users selected this choice.
  • Choice "D": A greeting message % of users selected this choice.
Did you know...
Cleopatra was the last queen of Egypt, ruling from 51BC to 30BC. However, she was not Egyptian: she was of Greek origin, a descendant of Ptolemy I, one of Alexander the Great generals.
Image credit: Mick Haupt.