King Louis I of Holland abdicated in favor of his son Napoléon Louis.
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The Cassini–Huygens spacecraft became the first to enter Saturn's orbit.
Japanese whaling ships officially resumed activities after a thirty-one-year hiatus.
The first US postage stamps were issued.
Sony's iconic Walkman first went on sale in Japan.
The Morse code distress signal 'SOS,' originating from Germany, became the world's official message for help.
