Emperor Constantius II was baptized on his deathbed hours before passing.
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Martha Hughes Cannon of Utah became the first elected female State Senator in the United States.
The International Radiotelegraph Conference in Berlin selected 'SOS' (· · · – – – · · ·) as the global standard for radio distress calls.
Americans headed to the polls to vote for either Donald Trump or Joe Biden in the US Presidential Election.
The One World Trade Center opened on the original World Trade Center site.
The Times of India was founded, making it the largest English-language newspaper in the world.