NASA launched the last space probe in the Mariner Program, Mariner 10.
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Martha Hughes Cannon of Utah became the first elected female State Senator in the United States.
Explorer Christopher Columbus, on his second voyage, found Dominica and the Kalinago people.
Americans headed to the polls to vote for either Donald Trump or Joe Biden in the US Presidential Election.
Louis Chevrolet incorporated the Chevrolet Motor Car Company.
The International Radiotelegraph Conference in Berlin selected 'SOS' (· · · – – – · · ·) as the global standard for radio distress calls.