The Morse code distress signal “SOS,” originating from Germany, became the world’s official message for help.
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The first of four fatal shark attacks happened on New Jersey shores.
The Battle of Somme began.
Japanese whaling ships officially resumed activities after a thirty-one-year hiatus.
The Cassini–Huygens spacecraft became the first to enter Saturn's orbit.
The UK returned Hong Kong's control back to China after 156 years of British rule.
