Baltimore and Philadelphia were linked up by telegraph.
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Sirhan Sirhan assassinated Robert F. Kennedy, the late President Kennedy's younger brother.
The US Neutrality Act was enacted.
Isaac Newton was admitted as a student to Cambridge University’s Trinity College.
Uncle Tom's Cabin, an anti-slavery novel by Harriet Beecher, was first published.
NASA's STS-40 became the first spaceflight with three women to be launched into space.
