643: "Completion of the Transcontinental Railroad"

Interesting Things with JC #643: "Completion of the Transcontinental Railroad" - Did you know the completion of the Transcontinental Railroad in 1869 revolutionized transportation and commerce in the US, connecting the East and West coasts for the first time? Built by over 20,000 workers, including Chinese immigrants, it reduced travel time from months to days.


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644: "IBM Deep Blue defeats Kasparov"

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642: "The First Oral Contraceptive Pill"