NASA launched the Viking 1 planetary probe toward Mars.
The Viking 1 was the first successful Mars lander in history.
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President Andrew Johnson declared that the American civil war was over.
The ''LZ 127 Graf Zeppelin” returned to Lakehurst, New Jersey, after being the first airship to circumference the earth in one journey.
The Erickson Brothers submitted the application for the first dial telephone patent.
Mother Teresa contracted malaria and spent one week in hospital in New Delhi, India.
The Iran-Iraq war ended in a stalemate after nearly eight years of conflict.
