More than 30 military students were injured in a mass pillow fight leading to a ban of the event in future years.
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The Erickson Brothers submitted the application for the first dial telephone patent.
President Andrew Johnson declared that the American civil war was over.
NASA launched the Viking 1 planetary probe toward Mars.
The World Health Organization (WHO) announced that measles cases were at an all-time record high, with 41,000 in the first half of the year alone.
Estonia claimed its independence from USSR.