Pennsylvania became the second state to ratify the US constitution.
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The first case of the bubonic plague was announced in Honolulu.
Adolf Hitler declared the imminent extermination of the Jews at a meeting in the Reich Chancellery.
The Empire of China was established by statesman Yuan Shikai, who declared himself Emperor.
Apple made its initial public offering on the US stock market.
Rain Man, directed by Barry Levinson, starring Dustin Hoffman and Tom Cruise, premiered in New York.
