What is the international Morse code distress signal?
AnswerSOS
SOS is the international Morse distress signal, chosen because it is simple to send and recognize.
Society · Facts & stats
Help facts & stats
7 fact-checked facts about helping others and calling for help, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What is a volunteer?
AnswerSomeone who chooses to help without being paid
Volunteers give their time and skills freely to help people, animals or causes.
Going deeper
Where does the radio distress call 'Mayday' come from?
AnswerThe French for 'help me'
Mayday comes from the French 'm'aider', meaning 'help me', and was adopted as a distress call in the 1920s.
In which city was the Red Cross movement founded in 1863?
AnswerGeneva
The International Committee of the Red Cross was founded in Geneva, Switzerland, in 1863, inspired by Henry Dunant.
How is SOS sent in Morse code?
AnswerThree dots, three dashes, three dots
S is three dots and O is three dashes, so SOS is dot-dot-dot, dash-dash-dash, dot-dot-dot.
Expert level
International Volunteer Day, set by the United Nations, is observed on which date?
AnswerDecember 5
The UN General Assembly designated December 5 as International Volunteer Day in 1985.
What does a 'Pan-pan' radio call signal?
AnswerAn urgent situation that is not immediately life-threatening
Pan-pan signals urgency without immediate danger to life; Mayday is used for grave and imminent danger.
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