The American drama movie “Of Mice and Men” was released in the US.
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Astronomer Edwin Hubble formally announced the existence of other galactic systems at a meeting of the American Astronomical Society.
A bombing took place on a trolleybus in Russia.
The Madrid Barajas International Airport was bombed.
Stevie Wonder released 'That Girl,' which went on to win Billboard Song of the Year.
Frank Steunenberg, the former governor of Idaho, was assassinated outside his home.