Uncle Tom’s Cabin, an anti-slavery novel by Harriet Beecher, was first published.
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Registration of US men aged between 21 and 31 began for troops for WWI.
Sirhan Sirhan assassinated Robert F. Kennedy, the late President Kennedy's younger brother.
Americans were introduced to bananas.
The US Neutrality Act was enacted.
Serbia declared its independence from the State Union of Serbia and Montenegro.