Date in year · 1904 · The 1900s
January 7, 1904
On January 7, 1904, the distress signal "CQD" is established only to be replaced two years later by "SOS".
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1904
1900s
Featured · January 7, 1904
The distress signal "CQD" is established only to be replaced two years later by "SOS".
A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance.
Around 1904
The year in brief
1904 (MCMIV) was a leap year starting on Friday of the Gregorian calendar and a leap year starting on Thursday of the Julian calendar, the 1904th year of the Common Era (CE) and Anno Domini (AD) designations, the 904th year of the 2nd millennium, the 4th year of the 20th…
What happened
On January 7, 1904
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1904 The distress signal "CQD" is established only to be replaced two years later by "SOS". Internationally recognized means for obtaining help
A distress signal, also known as a distress call, is an internationally recognized means for obtaining help. Distress signals are communicated by transmitting radio signals, displaying a visually observable item or illumination, or making a sound audible from a distance.
Elsewhere that year
Other moments from 1904
- April 4 Two Ms ~7.1 earthquakes, among the largest in Europe, strike Bulgaria, killing over 200 people and causing destruction.
- April 8 The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
- August 10 Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
- August 23 The automobile tire chain is patented.
- August 25 Russo-Japanese War: The Battle of Liaoyang begins.
- December 3 The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
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