The distress signal “CQD” was established.
Two years later, it was replaced by “SOS.”
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The US celebrated the opening of the country's first railroad station in Baltimore.
The iconic Leaning Tower of Pisa leaned 'too far,' which resulted in its closure.
Galileo discovered the first three satellites of Jupiter.
A 57-year-old man received the first transplanted heart from a genetically modified pig.
The first US commercial bank, The Bank of North America, opened in Philadelphia.
